20665584080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13595779}}^1$

素因数の和:13595811

約数の個数: 40

約数和(自身を含む): 50576301600

約数和(自身を除く): 29910717520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13595779, 27191558, 54383116, 67978895, 108766232, 135957790, 217532464, 258319801, 271915580, 516639602, 543831160, 1033279204, 1087662320, 1291599005, 2066558408, 2583198010, 4133116816, 5166396020, 10332792040, 20665584080]

約数ペア:

[(1, 20665584080), (2, 10332792040), (4, 5166396020), (5, 4133116816), (8, 2583198010), (10, 2066558408), (16, 1291599005), (19, 1087662320), (20, 1033279204), (38, 543831160), (40, 516639602), (76, 271915580), (80, 258319801), (95, 217532464), (152, 135957790), (190, 108766232), (304, 67978895), (380, 54383116), (760, 27191558), (1520, 13595779)]