20655690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1181}}^1$

素因数の和:1255

約数の個数: 64

約数和(自身を含む): 55147392

約数和(自身を除く): 34491702

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 53, 55, 66, 106, 110, 159, 165, 265, 318, 330, 530, 583, 795, 1166, 1181, 1590, 1749, 2362, 2915, 3498, 3543, 5830, 5905, 7086, 8745, 11810, 12991, 17490, 17715, 25982, 35430, 38973, 62593, 64955, 77946, 125186, 129910, 187779, 194865, 312965, 375558, 389730, 625930, 688523, 938895, 1377046, 1877790, 2065569, 3442615, 4131138, 6885230, 10327845, 20655690]

約数ペア:

[(1, 20655690), (2, 10327845), (3, 6885230), (5, 4131138), (6, 3442615), (10, 2065569), (11, 1877790), (15, 1377046), (22, 938895), (30, 688523), (33, 625930), (53, 389730), (55, 375558), (66, 312965), (106, 194865), (110, 187779), (159, 129910), (165, 125186), (265, 77946), (318, 64955), (330, 62593), (530, 38973), (583, 35430), (795, 25982), (1166, 17715), (1181, 17490), (1590, 12991), (1749, 11810), (2362, 8745), (2915, 7086), (3498, 5905), (3543, 5830)]