2013456820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3247511}}^1$

素因数の和:3247551

約数の個数: 24

約数和(自身を含む): 4364656128

約数和(自身を除く): 2351199308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3247511, 6495022, 12990044, 16237555, 32475110, 64950220, 100672841, 201345682, 402691364, 503364205, 1006728410, 2013456820]

約数ペア:

[(1, 2013456820), (2, 1006728410), (4, 503364205), (5, 402691364), (10, 201345682), (20, 100672841), (31, 64950220), (62, 32475110), (124, 16237555), (155, 12990044), (310, 6495022), (620, 3247511)]