20309464

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11699}}^1$

素因数の和:11743

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 24618536

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11699, 23398, 46796, 81893, 93592, 163786, 327572, 362669, 655144, 725338, 1450676, 2538683, 2901352, 5077366, 10154732, 20309464]

約数ペア:

[(1, 20309464), (2, 10154732), (4, 5077366), (7, 2901352), (8, 2538683), (14, 1450676), (28, 725338), (31, 655144), (56, 362669), (62, 327572), (124, 163786), (217, 93592), (248, 81893), (434, 46796), (868, 23398), (1736, 11699)]