20279730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9521}}^1$

素因数の和:9602

約数の個数: 32

約数和(自身を含む): 49362048

約数和(自身を除く): 29082318

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9521, 19042, 28563, 47605, 57126, 95210, 142815, 285630, 675991, 1351982, 2027973, 3379955, 4055946, 6759910, 10139865, 20279730]

約数ペア:

[(1, 20279730), (2, 10139865), (3, 6759910), (5, 4055946), (6, 3379955), (10, 2027973), (15, 1351982), (30, 675991), (71, 285630), (142, 142815), (213, 95210), (355, 57126), (426, 47605), (710, 28563), (1065, 19042), (2130, 9521)]