20210854460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1\times {\mathrm{941}}^1$

素因数の和:1383

約数の個数: 96

約数和(自身を含む): 44126836992

約数和(自身を除く): 23915982532

約数列:

[1, 2, 4, 5, 10, 20, 47, 73, 94, 146, 188, 235, 292, 313, 365, 470, 626, 730, 940, 941, 1252, 1460, 1565, 1882, 3130, 3431, 3764, 4705, 6260, 6862, 9410, 13724, 14711, 17155, 18820, 22849, 29422, 34310, 44227, 45698, 58844, 68620, 68693, 73555, 88454, 91396, 114245, 137386, 147110, 176908, 221135, 228490, 274772, 294220, 294533, 343465, 442270, 456980, 589066, 686930, 884540, 1073903, 1178132, 1373860, 1472665, 2147806, 2945330, 3228571, 4295612, 5369515, 5890660, 6457142, 10739030, 12914284, 13843051, 16142855, 21478060, 21500909, 27686102, 32285710, 43001818, 55372204, 64571420, 69215255, 86003636, 107504545, 138430510, 215009090, 276861020, 430018180, 1010542723, 2021085446, 4042170892, 5052713615, 10105427230, 20210854460]

約数ペア:

[(1, 20210854460), (2, 10105427230), (4, 5052713615), (5, 4042170892), (10, 2021085446), (20, 1010542723), (47, 430018180), (73, 276861020), (94, 215009090), (146, 138430510), (188, 107504545), (235, 86003636), (292, 69215255), (313, 64571420), (365, 55372204), (470, 43001818), (626, 32285710), (730, 27686102), (940, 21500909), (941, 21478060), (1252, 16142855), (1460, 13843051), (1565, 12914284), (1882, 10739030), (3130, 6457142), (3431, 5890660), (3764, 5369515), (4705, 4295612), (6260, 3228571), (6862, 2945330), (9410, 2147806), (13724, 1472665), (14711, 1373860), (17155, 1178132), (18820, 1073903), (22849, 884540), (29422, 686930), (34310, 589066), (44227, 456980), (45698, 442270), (58844, 343465), (68620, 294533), (68693, 294220), (73555, 274772), (88454, 228490), (91396, 221135), (114245, 176908), (137386, 147110)]