20052980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{467}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24762700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 113, 190, 226, 380, 452, 467, 565, 934, 1130, 1868, 2147, 2260, 2335, 4294, 4670, 8588, 8873, 9340, 10735, 17746, 21470, 35492, 42940, 44365, 52771, 88730, 105542, 177460, 211084, 263855, 527710, 1002649, 1055420, 2005298, 4010596, 5013245, 10026490, 20052980]

約数ペア:

[(1, 20052980), (2, 10026490), (4, 5013245), (5, 4010596), (10, 2005298), (19, 1055420), (20, 1002649), (38, 527710), (76, 263855), (95, 211084), (113, 177460), (190, 105542), (226, 88730), (380, 52771), (452, 44365), (467, 42940), (565, 35492), (934, 21470), (1130, 17746), (1868, 10735), (2147, 9340), (2260, 8873), (2335, 8588), (4294, 4670)]