20404872

素因数分解:

$2^3\times 3^4\times {\mathrm{31489}}^1$

素因数の和:31507

約数の個数: 40

約数和(自身を含む): 57154350

約数和(自身を除く): 36749478

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31489, 62978, 94467, 125956, 188934, 251912, 283401, 377868, 566802, 755736, 850203, 1133604, 1700406, 2267208, 2550609, 3400812, 5101218, 6801624, 10202436, 20404872]

約数ペア:

[(1, 20404872), (2, 10202436), (3, 6801624), (4, 5101218), (6, 3400812), (8, 2550609), (9, 2267208), (12, 1700406), (18, 1133604), (24, 850203), (27, 755736), (36, 566802), (54, 377868), (72, 283401), (81, 251912), (108, 188934), (162, 125956), (216, 94467), (324, 62978), (648, 31489)]