20370762

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 45590688

約数和(自身を除く): 25219926

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 131, 159, 163, 262, 318, 326, 393, 477, 489, 786, 954, 978, 1179, 1467, 2358, 2934, 6943, 8639, 13886, 17278, 20829, 21353, 25917, 41658, 42706, 51834, 62487, 64059, 77751, 124974, 128118, 155502, 192177, 384354, 1131709, 2263418, 3395127, 6790254, 10185381, 20370762]

約数ペア:

[(1, 20370762), (2, 10185381), (3, 6790254), (6, 3395127), (9, 2263418), (18, 1131709), (53, 384354), (106, 192177), (131, 155502), (159, 128118), (163, 124974), (262, 77751), (318, 64059), (326, 62487), (393, 51834), (477, 42706), (489, 41658), (786, 25917), (954, 21353), (978, 20829), (1179, 17278), (1467, 13886), (2358, 8639), (2934, 6943)]