20195521060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{383}}^1$

素因数の和:698

約数の個数: 192

約数和(自身を含む): 50721914880

約数和(自身を除く): 30526393820

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 103, 110, 130, 143, 179, 206, 220, 260, 286, 358, 383, 412, 515, 572, 715, 716, 766, 895, 1030, 1133, 1339, 1430, 1532, 1790, 1915, 1969, 2060, 2266, 2327, 2678, 2860, 3580, 3830, 3938, 4213, 4532, 4654, 4979, 5356, 5665, 6695, 7660, 7876, 8426, 9308, 9845, 9958, 11330, 11635, 13390, 14729, 16852, 18437, 19690, 19916, 21065, 22660, 23270, 24895, 25597, 26780, 29458, 36874, 39380, 39449, 42130, 46540, 49790, 51194, 54769, 58916, 68557, 73645, 73748, 78898, 84260, 92185, 99580, 102388, 109538, 127985, 137114, 147290, 157796, 184370, 197245, 202807, 219076, 239681, 255970, 273845, 274228, 294580, 342785, 368740, 394490, 405614, 433939, 479362, 511940, 512837, 547690, 685570, 754127, 788980, 811228, 867878, 891241, 958724, 1014035, 1025674, 1095380, 1198405, 1371140, 1508254, 1735756, 1782482, 2028070, 2051348, 2169695, 2396810, 2564185, 2636491, 3016508, 3564964, 3770635, 4056140, 4339390, 4456205, 4793620, 5128370, 5272982, 5641207, 7061371, 7541270, 8678780, 8912410, 9803651, 10256740, 10545964, 11282414, 13182455, 14122742, 15082540, 17824820, 19607302, 22564828, 26364910, 28206035, 28245484, 35306855, 39214604, 49018255, 52729820, 56412070, 70613710, 77675081, 91797823, 98036510, 112824140, 141227420, 155350162, 183595646, 196073020, 310700324, 367191292, 388375405, 458989115, 776750810, 917978230, 1009776053, 1553501620, 1835956460, 2019552106, 4039104212, 5048880265, 10097760530, 20195521060]

約数ペア:

[(1, 20195521060), (2, 10097760530), (4, 5048880265), (5, 4039104212), (10, 2019552106), (11, 1835956460), (13, 1553501620), (20, 1009776053), (22, 917978230), (26, 776750810), (44, 458989115), (52, 388375405), (55, 367191292), (65, 310700324), (103, 196073020), (110, 183595646), (130, 155350162), (143, 141227420), (179, 112824140), (206, 98036510), (220, 91797823), (260, 77675081), (286, 70613710), (358, 56412070), (383, 52729820), (412, 49018255), (515, 39214604), (572, 35306855), (715, 28245484), (716, 28206035), (766, 26364910), (895, 22564828), (1030, 19607302), (1133, 17824820), (1339, 15082540), (1430, 14122742), (1532, 13182455), (1790, 11282414), (1915, 10545964), (1969, 10256740), (2060, 9803651), (2266, 8912410), (2327, 8678780), (2678, 7541270), (2860, 7061371), (3580, 5641207), (3830, 5272982), (3938, 5128370), (4213, 4793620), (4532, 4456205), (4654, 4339390), (4979, 4056140), (5356, 3770635), (5665, 3564964), (6695, 3016508), (7660, 2636491), (7876, 2564185), (8426, 2396810), (9308, 2169695), (9845, 2051348), (9958, 2028070), (11330, 1782482), (11635, 1735756), (13390, 1508254), (14729, 1371140), (16852, 1198405), (18437, 1095380), (19690, 1025674), (19916, 1014035), (21065, 958724), (22660, 891241), (23270, 867878), (24895, 811228), (25597, 788980), (26780, 754127), (29458, 685570), (36874, 547690), (39380, 512837), (39449, 511940), (42130, 479362), (46540, 433939), (49790, 405614), (51194, 394490), (54769, 368740), (58916, 342785), (68557, 294580), (73645, 274228), (73748, 273845), (78898, 255970), (84260, 239681), (92185, 219076), (99580, 202807), (102388, 197245), (109538, 184370), (127985, 157796), (137114, 147290)]