20526464

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 48307200

約数和(自身を除く): 27780736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 739, 868, 896, 992, 1478, 1736, 1984, 2956, 3472, 3968, 5173, 5912, 6944, 10346, 11824, 13888, 20692, 22909, 23648, 27776, 41384, 45818, 47296, 82768, 91636, 94592, 160363, 165536, 183272, 320726, 331072, 366544, 641452, 662144, 733088, 1282904, 1466176, 2565808, 2932352, 5131616, 10263232, 20526464]

約数ペア:

[(1, 20526464), (2, 10263232), (4, 5131616), (7, 2932352), (8, 2565808), (14, 1466176), (16, 1282904), (28, 733088), (31, 662144), (32, 641452), (56, 366544), (62, 331072), (64, 320726), (112, 183272), (124, 165536), (128, 160363), (217, 94592), (224, 91636), (248, 82768), (434, 47296), (448, 45818), (496, 41384), (739, 27776), (868, 23648), (896, 22909), (992, 20692), (1478, 13888), (1736, 11824), (1984, 10346), (2956, 6944), (3472, 5912), (3968, 5173)]