20996900880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87487087}}^1$

素因数の和:87487103

約数の個数: 40

約数和(自身を含む): 65090393472

約数和(自身を除く): 44093492592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87487087, 174974174, 262461261, 349948348, 437435435, 524922522, 699896696, 874870870, 1049845044, 1312306305, 1399793392, 1749741740, 2099690088, 2624612610, 3499483480, 4199380176, 5249225220, 6998966960, 10498450440, 20996900880]

約数ペア:

[(1, 20996900880), (2, 10498450440), (3, 6998966960), (4, 5249225220), (5, 4199380176), (6, 3499483480), (8, 2624612610), (10, 2099690088), (12, 1749741740), (15, 1399793392), (16, 1312306305), (20, 1049845044), (24, 874870870), (30, 699896696), (40, 524922522), (48, 437435435), (60, 349948348), (80, 262461261), (120, 174974174), (240, 87487087)]