20174706975

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1051}}^1\times {\mathrm{1213}}^1$

素因数の和:2488

約数の個数: 48

約数和(自身を含む): 33573140864

約数和(自身を除く): 13398433889

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1051, 1055, 1213, 3153, 3165, 3639, 5255, 5275, 6065, 15765, 15825, 18195, 26275, 30325, 78825, 90975, 221761, 255943, 665283, 767829, 1108805, 1274863, 1279715, 3326415, 3824589, 3839145, 5544025, 6374315, 6398575, 16632075, 19122945, 19195725, 31871575, 95614725, 268996093, 806988279, 1344980465, 4034941395, 6724902325, 20174706975]

約数ペア:

[(1, 20174706975), (3, 6724902325), (5, 4034941395), (15, 1344980465), (25, 806988279), (75, 268996093), (211, 95614725), (633, 31871575), (1051, 19195725), (1055, 19122945), (1213, 16632075), (3153, 6398575), (3165, 6374315), (3639, 5544025), (5255, 3839145), (5275, 3824589), (6065, 3326415), (15765, 1279715), (15825, 1274863), (18195, 1108805), (26275, 767829), (30325, 665283), (78825, 255943), (90975, 221761)]