20482630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9439}}^1$

素因数の和:9484

約数の個数: 32

約数和(自身を含む): 43499520

約数和(自身を除く): 23016890

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9439, 18878, 47195, 66073, 94390, 132146, 292609, 330365, 585218, 660730, 1463045, 2048263, 2926090, 4096526, 10241315, 20482630]

約数ペア:

[(1, 20482630), (2, 10241315), (5, 4096526), (7, 2926090), (10, 2048263), (14, 1463045), (31, 660730), (35, 585218), (62, 330365), (70, 292609), (155, 132146), (217, 94390), (310, 66073), (434, 47195), (1085, 18878), (2170, 9439)]