20100560975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1\times {\mathrm{1667}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 27475562880

約数和(自身を除く): 7375001905

約数列:

[1, 5, 11, 25, 55, 163, 269, 275, 815, 1345, 1667, 1793, 2959, 4075, 6725, 8335, 8965, 14795, 18337, 41675, 43847, 44825, 73975, 91685, 219235, 271721, 448423, 458425, 482317, 1096175, 1358605, 2242115, 2411585, 2988931, 4932653, 6793025, 11210575, 12057925, 14944655, 24663265, 73092949, 74723275, 123316325, 365464745, 804022439, 1827323725, 4020112195, 20100560975]

約数ペア:

[(1, 20100560975), (5, 4020112195), (11, 1827323725), (25, 804022439), (55, 365464745), (163, 123316325), (269, 74723275), (275, 73092949), (815, 24663265), (1345, 14944655), (1667, 12057925), (1793, 11210575), (2959, 6793025), (4075, 4932653), (6725, 2988931), (8335, 2411585), (8965, 2242115), (14795, 1358605), (18337, 1096175), (41675, 482317), (43847, 458425), (44825, 448423), (73975, 271721), (91685, 219235)]