20024585

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^2$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 29331972

約数和(自身を除く): 9307387

約数列:

[1, 5, 7, 35, 37, 47, 49, 185, 235, 245, 259, 329, 1295, 1645, 1739, 1813, 2209, 2303, 8695, 9065, 11045, 11515, 12173, 15463, 60865, 77315, 81733, 85211, 108241, 408665, 426055, 541205, 572131, 2860655, 4004917, 20024585]

約数ペア:

[(1, 20024585), (5, 4004917), (7, 2860655), (35, 572131), (37, 541205), (47, 426055), (49, 408665), (185, 108241), (235, 85211), (245, 81733), (259, 77315), (329, 60865), (1295, 15463), (1645, 12173), (1739, 11515), (1813, 11045), (2209, 9065), (2303, 8695)]