20851632

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1627}}^1$

素因数の和:1730

約数の個数: 60

約数和(自身を含む): 59047560

約数和(自身を除く): 38195928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 1627, 2136, 3204, 3254, 4272, 4881, 6408, 6508, 9762, 12816, 13016, 14643, 19524, 26032, 29286, 39048, 58572, 78096, 117144, 144803, 234288, 289606, 434409, 579212, 868818, 1158424, 1303227, 1737636, 2316848, 2606454, 3475272, 5212908, 6950544, 10425816, 20851632]

約数ペア:

[(1, 20851632), (2, 10425816), (3, 6950544), (4, 5212908), (6, 3475272), (8, 2606454), (9, 2316848), (12, 1737636), (16, 1303227), (18, 1158424), (24, 868818), (36, 579212), (48, 434409), (72, 289606), (89, 234288), (144, 144803), (178, 117144), (267, 78096), (356, 58572), (534, 39048), (712, 29286), (801, 26032), (1068, 19524), (1424, 14643), (1602, 13016), (1627, 12816), (2136, 9762), (3204, 6508), (3254, 6408), (4272, 4881)]