20387130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4889}}^1$

素因数の和:5038

約数の個数: 32

約数和(自身を含む): 49291200

約数和(自身を除く): 28904070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 4889, 9778, 14667, 24445, 29334, 48890, 73335, 146670, 679571, 1359142, 2038713, 3397855, 4077426, 6795710, 10193565, 20387130]

約数ペア:

[(1, 20387130), (2, 10193565), (3, 6795710), (5, 4077426), (6, 3397855), (10, 2038713), (15, 1359142), (30, 679571), (139, 146670), (278, 73335), (417, 48890), (695, 29334), (834, 24445), (1390, 14667), (2085, 9778), (4170, 4889)]