20189910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51769}}^1$

素因数の和:51792

約数の個数: 32

約数和(自身を含む): 52184160

約数和(自身を除く): 31994250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51769, 103538, 155307, 258845, 310614, 517690, 672997, 776535, 1345994, 1553070, 2018991, 3364985, 4037982, 6729970, 10094955, 20189910]

約数ペア:

[(1, 20189910), (2, 10094955), (3, 6729970), (5, 4037982), (6, 3364985), (10, 2018991), (13, 1553070), (15, 1345994), (26, 776535), (30, 672997), (39, 517690), (65, 310614), (78, 258845), (130, 155307), (195, 103538), (390, 51769)]