20538616

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11831}}^1$

素因数の和:11875

約数の個数: 32

約数和(自身を含む): 45434880

約数和(自身を除く): 24896264

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11831, 23662, 47324, 82817, 94648, 165634, 331268, 366761, 662536, 733522, 1467044, 2567327, 2934088, 5134654, 10269308, 20538616]

約数ペア:

[(1, 20538616), (2, 10269308), (4, 5134654), (7, 2934088), (8, 2567327), (14, 1467044), (28, 733522), (31, 662536), (56, 366761), (62, 331268), (124, 165634), (217, 94648), (248, 82817), (434, 47324), (868, 23662), (1736, 11831)]