20271272

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11677}}^1$

素因数の和:11721

約数の個数: 32

約数和(自身を含む): 44843520

約数和(自身を除く): 24572248

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11677, 23354, 46708, 81739, 93416, 163478, 326956, 361987, 653912, 723974, 1447948, 2533909, 2895896, 5067818, 10135636, 20271272]

約数ペア:

[(1, 20271272), (2, 10135636), (4, 5067818), (7, 2895896), (8, 2533909), (14, 1447948), (28, 723974), (31, 653912), (56, 361987), (62, 326956), (124, 163478), (217, 93416), (248, 81739), (434, 46708), (868, 23354), (1736, 11677)]