20224100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 48413568

約数和(自身を除く): 28189468

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 130, 188, 235, 260, 325, 331, 470, 611, 650, 662, 940, 1175, 1222, 1300, 1324, 1655, 2350, 2444, 3055, 3310, 4303, 4700, 6110, 6620, 8275, 8606, 12220, 15275, 15557, 16550, 17212, 21515, 30550, 31114, 33100, 43030, 61100, 62228, 77785, 86060, 107575, 155570, 202241, 215150, 311140, 388925, 404482, 430300, 777850, 808964, 1011205, 1555700, 2022410, 4044820, 5056025, 10112050, 20224100]

約数ペア:

[(1, 20224100), (2, 10112050), (4, 5056025), (5, 4044820), (10, 2022410), (13, 1555700), (20, 1011205), (25, 808964), (26, 777850), (47, 430300), (50, 404482), (52, 388925), (65, 311140), (94, 215150), (100, 202241), (130, 155570), (188, 107575), (235, 86060), (260, 77785), (325, 62228), (331, 61100), (470, 43030), (611, 33100), (650, 31114), (662, 30550), (940, 21515), (1175, 17212), (1222, 16550), (1300, 15557), (1324, 15275), (1655, 12220), (2350, 8606), (2444, 8275), (3055, 6620), (3310, 6110), (4303, 4700)]