20631828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 38074092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 59, 69, 84, 92, 118, 138, 161, 177, 181, 236, 276, 322, 354, 362, 413, 483, 543, 644, 708, 724, 826, 966, 1086, 1239, 1267, 1357, 1652, 1932, 2172, 2478, 2534, 2714, 3801, 4071, 4163, 4956, 5068, 5428, 7602, 8142, 8326, 9499, 10679, 12489, 15204, 16284, 16652, 18998, 21358, 24978, 28497, 29141, 32037, 37996, 42716, 49956, 56994, 58282, 64074, 74753, 87423, 113988, 116564, 128148, 149506, 174846, 224259, 245617, 299012, 349692, 448518, 491234, 736851, 897036, 982468, 1473702, 1719319, 2947404, 3438638, 5157957, 6877276, 10315914, 20631828]

約数ペア:

[(1, 20631828), (2, 10315914), (3, 6877276), (4, 5157957), (6, 3438638), (7, 2947404), (12, 1719319), (14, 1473702), (21, 982468), (23, 897036), (28, 736851), (42, 491234), (46, 448518), (59, 349692), (69, 299012), (84, 245617), (92, 224259), (118, 174846), (138, 149506), (161, 128148), (177, 116564), (181, 113988), (236, 87423), (276, 74753), (322, 64074), (354, 58282), (362, 56994), (413, 49956), (483, 42716), (543, 37996), (644, 32037), (708, 29141), (724, 28497), (826, 24978), (966, 21358), (1086, 18998), (1239, 16652), (1267, 16284), (1357, 15204), (1652, 12489), (1932, 10679), (2172, 9499), (2478, 8326), (2534, 8142), (2714, 7602), (3801, 5428), (4071, 5068), (4163, 4956)]