20120457980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143717557}}^1$

素因数の和:143717573

約数の個数: 24

約数和(自身を含む): 48289099488

約数和(自身を除く): 28168641508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143717557, 287435114, 574870228, 718587785, 1006022899, 1437175570, 2012045798, 2874351140, 4024091596, 5030114495, 10060228990, 20120457980]

約数ペア:

[(1, 20120457980), (2, 10060228990), (4, 5030114495), (5, 4024091596), (7, 2874351140), (10, 2012045798), (14, 1437175570), (20, 1006022899), (28, 718587785), (35, 574870228), (70, 287435114), (140, 143717557)]