20030284990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28211669}}^1$

素因数の和:28211747

約数の個数: 16

約数和(自身を含む): 36562324320

約数和(自身を除く): 16532039330

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28211669, 56423338, 141058345, 282116690, 2003028499, 4006056998, 10015142495, 20030284990]

約数ペア:

[(1, 20030284990), (2, 10015142495), (5, 4006056998), (10, 2003028499), (71, 282116690), (142, 141058345), (355, 56423338), (710, 28211669)]