20164492875

素因数分解:

$3^1\times 5^3\times {\mathrm{251}}^1\times {\mathrm{283}}^1\times {\mathrm{757}}^1$

素因数の和:1309

約数の個数: 64

約数和(自身を含む): 33851091456

約数和(自身を除く): 13686598581

約数列:

[1, 3, 5, 15, 25, 75, 125, 251, 283, 375, 753, 757, 849, 1255, 1415, 2271, 3765, 3785, 4245, 6275, 7075, 11355, 18825, 18925, 21225, 31375, 35375, 56775, 71033, 94125, 94625, 106125, 190007, 213099, 214231, 283875, 355165, 570021, 642693, 950035, 1065495, 1071155, 1775825, 2850105, 3213465, 4750175, 5327475, 5355775, 8879125, 14250525, 16067325, 23750875, 26637375, 26778875, 53771981, 71252625, 80336625, 161315943, 268859905, 806579715, 1344299525, 4032898575, 6721497625, 20164492875]

約数ペア:

[(1, 20164492875), (3, 6721497625), (5, 4032898575), (15, 1344299525), (25, 806579715), (75, 268859905), (125, 161315943), (251, 80336625), (283, 71252625), (375, 53771981), (753, 26778875), (757, 26637375), (849, 23750875), (1255, 16067325), (1415, 14250525), (2271, 8879125), (3765, 5355775), (3785, 5327475), (4245, 4750175), (6275, 3213465), (7075, 2850105), (11355, 1775825), (18825, 1071155), (18925, 1065495), (21225, 950035), (31375, 642693), (35375, 570021), (56775, 355165), (71033, 283875), (94125, 214231), (94625, 213099), (106125, 190007)]