20120785220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4373}}^1\times {\mathrm{7933}}^1$

素因数の和:12344

約数の個数: 48

約数和(自身を含む): 43726178160

約数和(自身を除く): 23605392940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 4373, 7933, 8746, 15866, 17492, 21865, 31732, 39665, 43730, 79330, 87460, 126817, 158660, 230057, 253634, 460114, 507268, 634085, 920228, 1150285, 1268170, 2300570, 2536340, 4601140, 34691009, 69382018, 138764036, 173455045, 346910090, 693820180, 1006039261, 2012078522, 4024157044, 5030196305, 10060392610, 20120785220]

約数ペア:

[(1, 20120785220), (2, 10060392610), (4, 5030196305), (5, 4024157044), (10, 2012078522), (20, 1006039261), (29, 693820180), (58, 346910090), (116, 173455045), (145, 138764036), (290, 69382018), (580, 34691009), (4373, 4601140), (7933, 2536340), (8746, 2300570), (15866, 1268170), (17492, 1150285), (21865, 920228), (31732, 634085), (39665, 507268), (43730, 460114), (79330, 253634), (87460, 230057), (126817, 158660)]