20017976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13381}}^1$

素因数の和:13415

約数の個数: 32

約数和(自身を含む): 43357680

約数和(自身を除く): 23339704

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13381, 26762, 53524, 107048, 147191, 227477, 294382, 454954, 588764, 909908, 1177528, 1819816, 2502247, 5004494, 10008988, 20017976]

約数ペア:

[(1, 20017976), (2, 10008988), (4, 5004494), (8, 2502247), (11, 1819816), (17, 1177528), (22, 909908), (34, 588764), (44, 454954), (68, 294382), (88, 227477), (136, 147191), (187, 107048), (374, 53524), (748, 26762), (1496, 13381)]