20331824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1423}}^1$

素因数の和:1497

約数の個数: 40

約数和(自身を含む): 42378240

約数和(自身を除く): 22046416

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1423, 1786, 2846, 3572, 5692, 7144, 11384, 14288, 22768, 27037, 54074, 66881, 108148, 133762, 216296, 267524, 432592, 535048, 1070096, 1270739, 2541478, 5082956, 10165912, 20331824]

約数ペア:

[(1, 20331824), (2, 10165912), (4, 5082956), (8, 2541478), (16, 1270739), (19, 1070096), (38, 535048), (47, 432592), (76, 267524), (94, 216296), (152, 133762), (188, 108148), (304, 66881), (376, 54074), (752, 27037), (893, 22768), (1423, 14288), (1786, 11384), (2846, 7144), (3572, 5692)]