20217340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7069}}^1$

素因数の和:7102

約数の個数: 48

約数和(自身を含む): 49885920

約数和(自身を除く): 29668580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 7069, 14138, 28276, 35345, 70690, 77759, 91897, 141380, 155518, 183794, 311036, 367588, 388795, 459485, 777590, 918970, 1010867, 1555180, 1837940, 2021734, 4043468, 5054335, 10108670, 20217340]

約数ペア:

[(1, 20217340), (2, 10108670), (4, 5054335), (5, 4043468), (10, 2021734), (11, 1837940), (13, 1555180), (20, 1010867), (22, 918970), (26, 777590), (44, 459485), (52, 388795), (55, 367588), (65, 311036), (110, 183794), (130, 155518), (143, 141380), (220, 91897), (260, 77759), (286, 70690), (572, 35345), (715, 28276), (1430, 14138), (2860, 7069)]