20579910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52769}}^1$

素因数の和:52792

約数の個数: 32

約数和(自身を含む): 53192160

約数和(自身を除く): 32612250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52769, 105538, 158307, 263845, 316614, 527690, 685997, 791535, 1371994, 1583070, 2057991, 3429985, 4115982, 6859970, 10289955, 20579910]

約数ペア:

[(1, 20579910), (2, 10289955), (3, 6859970), (5, 4115982), (6, 3429985), (10, 2057991), (13, 1583070), (15, 1371994), (26, 791535), (30, 685997), (39, 527690), (65, 316614), (78, 263845), (130, 158307), (195, 105538), (390, 52769)]