20385407490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59083}}^1$

素因数の和:59184

約数の個数: 128

約数和(自身を含む): 58807959552

約数和(自身を除く): 38422552062

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 53, 62, 70, 93, 105, 106, 155, 159, 186, 210, 217, 265, 310, 318, 371, 434, 465, 530, 651, 742, 795, 930, 1085, 1113, 1302, 1590, 1643, 1855, 2170, 2226, 3255, 3286, 3710, 4929, 5565, 6510, 8215, 9858, 11130, 11501, 16430, 23002, 24645, 34503, 49290, 57505, 59083, 69006, 115010, 118166, 172515, 177249, 295415, 345030, 354498, 413581, 590830, 827162, 886245, 1240743, 1772490, 1831573, 2067905, 2481486, 3131399, 3663146, 4135810, 5494719, 6203715, 6262798, 9157865, 9394197, 10989438, 12407430, 12821011, 15656995, 18315730, 18788394, 21919793, 25642022, 27473595, 31313990, 38463033, 43839586, 46970985, 54947190, 64105055, 65759379, 76926066, 93941970, 97073369, 109598965, 128210110, 131518758, 192315165, 194146738, 219197930, 291220107, 328796895, 384630330, 485366845, 582440214, 657593790, 679513583, 970733690, 1359027166, 1456100535, 2038540749, 2912201070, 3397567915, 4077081498, 6795135830, 10192703745, 20385407490]

約数ペア:

[(1, 20385407490), (2, 10192703745), (3, 6795135830), (5, 4077081498), (6, 3397567915), (7, 2912201070), (10, 2038540749), (14, 1456100535), (15, 1359027166), (21, 970733690), (30, 679513583), (31, 657593790), (35, 582440214), (42, 485366845), (53, 384630330), (62, 328796895), (70, 291220107), (93, 219197930), (105, 194146738), (106, 192315165), (155, 131518758), (159, 128210110), (186, 109598965), (210, 97073369), (217, 93941970), (265, 76926066), (310, 65759379), (318, 64105055), (371, 54947190), (434, 46970985), (465, 43839586), (530, 38463033), (651, 31313990), (742, 27473595), (795, 25642022), (930, 21919793), (1085, 18788394), (1113, 18315730), (1302, 15656995), (1590, 12821011), (1643, 12407430), (1855, 10989438), (2170, 9394197), (2226, 9157865), (3255, 6262798), (3286, 6203715), (3710, 5494719), (4929, 4135810), (5565, 3663146), (6510, 3131399), (8215, 2481486), (9858, 2067905), (11130, 1831573), (11501, 1772490), (16430, 1240743), (23002, 886245), (24645, 827162), (34503, 590830), (49290, 413581), (57505, 354498), (59083, 345030), (69006, 295415), (115010, 177249), (118166, 172515)]