20159872

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5431}}^1$

素因数の和:5474

約数の個数: 32

約数和(自身を含む): 41554800

約数和(自身を除く): 21394928

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5431, 10862, 21724, 43448, 86896, 157499, 173792, 314998, 347584, 629996, 695168, 1259992, 2519984, 5039968, 10079936, 20159872]

約数ペア:

[(1, 20159872), (2, 10079936), (4, 5039968), (8, 2519984), (16, 1259992), (29, 695168), (32, 629996), (58, 347584), (64, 314998), (116, 173792), (128, 157499), (232, 86896), (464, 43448), (928, 21724), (1856, 10862), (3712, 5431)]