20167704

素因数分解:

$2^3\times 3^4\times {\mathrm{31123}}^1$

素因数の和:31141

約数の個数: 40

約数和(自身を含む): 56490060

約数和(自身を除く): 36322356

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31123, 62246, 93369, 124492, 186738, 248984, 280107, 373476, 560214, 746952, 840321, 1120428, 1680642, 2240856, 2520963, 3361284, 5041926, 6722568, 10083852, 20167704]

約数ペア:

[(1, 20167704), (2, 10083852), (3, 6722568), (4, 5041926), (6, 3361284), (8, 2520963), (9, 2240856), (12, 1680642), (18, 1120428), (24, 840321), (27, 746952), (36, 560214), (54, 373476), (72, 280107), (81, 248984), (108, 186738), (162, 124492), (216, 93369), (324, 62246), (648, 31123)]