20123016472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{371383}}^1$

素因数の和:371923

約数の個数: 32

約数和(自身を含む): 40711114080

約数和(自身を除く): 20588097608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 521, 1042, 2084, 4168, 6773, 13546, 27092, 54184, 371383, 742766, 1485532, 2971064, 4827979, 9655958, 19311916, 38623832, 193490543, 386981086, 773962172, 1547924344, 2515377059, 5030754118, 10061508236, 20123016472]

約数ペア:

[(1, 20123016472), (2, 10061508236), (4, 5030754118), (8, 2515377059), (13, 1547924344), (26, 773962172), (52, 386981086), (104, 193490543), (521, 38623832), (1042, 19311916), (2084, 9655958), (4168, 4827979), (6773, 2971064), (13546, 1485532), (27092, 742766), (54184, 371383)]