20199673144

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{509}}^1$

素因数の和:845

約数の個数: 128

約数和(自身を含む): 45209664000

約数和(自身を除く): 25009990856

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 107, 148, 179, 214, 259, 296, 358, 428, 509, 518, 716, 749, 856, 1018, 1036, 1253, 1432, 1498, 2036, 2072, 2506, 2996, 3563, 3959, 4072, 5012, 5992, 6623, 7126, 7918, 10024, 13246, 14252, 15836, 18833, 19153, 26492, 27713, 28504, 31672, 37666, 38306, 46361, 52984, 54463, 55426, 75332, 76612, 91111, 92722, 108926, 110852, 131831, 134071, 150664, 153224, 182222, 185444, 217852, 221704, 263662, 268142, 364444, 370888, 381241, 435704, 527324, 536284, 637777, 708661, 728888, 762482, 1054648, 1072568, 1275554, 1417322, 1524964, 2015131, 2551108, 2834644, 3049928, 3371107, 4030262, 4960627, 5102216, 5669288, 6742214, 8060524, 9748877, 9921254, 13484428, 14105917, 16121048, 19497754, 19842508, 23597749, 26968856, 28211834, 38995508, 39685016, 47195498, 56423668, 68242139, 77991016, 94390996, 112847336, 136484278, 188781992, 272968556, 360708449, 545937112, 721416898, 1442833796, 2524959143, 2885667592, 5049918286, 10099836572, 20199673144]

約数ペア:

[(1, 20199673144), (2, 10099836572), (4, 5049918286), (7, 2885667592), (8, 2524959143), (14, 1442833796), (28, 721416898), (37, 545937112), (56, 360708449), (74, 272968556), (107, 188781992), (148, 136484278), (179, 112847336), (214, 94390996), (259, 77991016), (296, 68242139), (358, 56423668), (428, 47195498), (509, 39685016), (518, 38995508), (716, 28211834), (749, 26968856), (856, 23597749), (1018, 19842508), (1036, 19497754), (1253, 16121048), (1432, 14105917), (1498, 13484428), (2036, 9921254), (2072, 9748877), (2506, 8060524), (2996, 6742214), (3563, 5669288), (3959, 5102216), (4072, 4960627), (5012, 4030262), (5992, 3371107), (6623, 3049928), (7126, 2834644), (7918, 2551108), (10024, 2015131), (13246, 1524964), (14252, 1417322), (15836, 1275554), (18833, 1072568), (19153, 1054648), (26492, 762482), (27713, 728888), (28504, 708661), (31672, 637777), (37666, 536284), (38306, 527324), (46361, 435704), (52984, 381241), (54463, 370888), (55426, 364444), (75332, 268142), (76612, 263662), (91111, 221704), (92722, 217852), (108926, 185444), (110852, 182222), (131831, 153224), (134071, 150664)]