20485432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{859}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 42105600

約数和(自身を除く): 21620168

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 271, 542, 859, 1084, 1718, 2168, 2981, 3436, 5962, 6872, 9449, 11924, 18898, 23848, 37796, 75592, 232789, 465578, 931156, 1862312, 2560679, 5121358, 10242716, 20485432]

約数ペア:

[(1, 20485432), (2, 10242716), (4, 5121358), (8, 2560679), (11, 1862312), (22, 931156), (44, 465578), (88, 232789), (271, 75592), (542, 37796), (859, 23848), (1084, 18898), (1718, 11924), (2168, 9449), (2981, 6872), (3436, 5962)]