20178962830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2473}}^1\times {\mathrm{2729}}^1$

素因数の和:5245

約数の個数: 64

約数和(自身を含む): 40848312960

約数和(自身を除く): 20669350130

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2473, 2729, 2990, 4946, 5458, 12365, 13645, 24730, 27290, 32149, 35477, 56879, 62767, 64298, 70954, 113758, 125534, 160745, 177385, 284395, 313835, 321490, 354770, 568790, 627670, 739427, 815971, 1478854, 1631942, 3697135, 4079855, 6748817, 7394270, 8159710, 13497634, 33744085, 67488170, 87734621, 155222791, 175469242, 310445582, 438673105, 776113955, 877346210, 1552227910, 2017896283, 4035792566, 10089481415, 20178962830]

約数ペア:

[(1, 20178962830), (2, 10089481415), (5, 4035792566), (10, 2017896283), (13, 1552227910), (23, 877346210), (26, 776113955), (46, 438673105), (65, 310445582), (115, 175469242), (130, 155222791), (230, 87734621), (299, 67488170), (598, 33744085), (1495, 13497634), (2473, 8159710), (2729, 7394270), (2990, 6748817), (4946, 4079855), (5458, 3697135), (12365, 1631942), (13645, 1478854), (24730, 815971), (27290, 739427), (32149, 627670), (35477, 568790), (56879, 354770), (62767, 321490), (64298, 313835), (70954, 284395), (113758, 177385), (125534, 160745)]