20802004610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1\times {\mathrm{138893}}^1$

素因数の和:139798

約数の個数: 32

約数和(自身を含む): 39691460592

約数和(自身を除く): 18889455982

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 881, 1762, 4405, 8810, 14977, 29954, 74885, 138893, 149770, 277786, 694465, 1388930, 2361181, 4722362, 11805905, 23611810, 122364733, 244729466, 611823665, 1223647330, 2080200461, 4160400922, 10401002305, 20802004610]

約数ペア:

[(1, 20802004610), (2, 10401002305), (5, 4160400922), (10, 2080200461), (17, 1223647330), (34, 611823665), (85, 244729466), (170, 122364733), (881, 23611810), (1762, 11805905), (4405, 4722362), (8810, 2361181), (14977, 1388930), (29954, 694465), (74885, 277786), (138893, 149770)]