20565702220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2113}}^1\times {\mathrm{3659}}^1$

素因数の和:5807

約数の個数: 96

約数和(自身を含む): 51994252800

約数和(自身を除く): 31428550580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2113, 2660, 3659, 4226, 7318, 8452, 10565, 14636, 14791, 18295, 21130, 25613, 29582, 36590, 40147, 42260, 51226, 59164, 69521, 73180, 73955, 80294, 102452, 128065, 139042, 147910, 160588, 200735, 256130, 278084, 281029, 295820, 347605, 401470, 486647, 512260, 562058, 695210, 802940, 973294, 1124116, 1390420, 1405145, 1946588, 2433235, 2810290, 4866470, 5620580, 7731467, 9732940, 15462934, 30925868, 38657335, 54120269, 77314670, 108240538, 146897873, 154629340, 216481076, 270601345, 293795746, 541202690, 587591492, 734489365, 1028285111, 1082405380, 1468978730, 2056570222, 2937957460, 4113140444, 5141425555, 10282851110, 20565702220]

約数ペア:

[(1, 20565702220), (2, 10282851110), (4, 5141425555), (5, 4113140444), (7, 2937957460), (10, 2056570222), (14, 1468978730), (19, 1082405380), (20, 1028285111), (28, 734489365), (35, 587591492), (38, 541202690), (70, 293795746), (76, 270601345), (95, 216481076), (133, 154629340), (140, 146897873), (190, 108240538), (266, 77314670), (380, 54120269), (532, 38657335), (665, 30925868), (1330, 15462934), (2113, 9732940), (2660, 7731467), (3659, 5620580), (4226, 4866470), (7318, 2810290), (8452, 2433235), (10565, 1946588), (14636, 1405145), (14791, 1390420), (18295, 1124116), (21130, 973294), (25613, 802940), (29582, 695210), (36590, 562058), (40147, 512260), (42260, 486647), (51226, 401470), (59164, 347605), (69521, 295820), (73180, 281029), (73955, 278084), (80294, 256130), (102452, 200735), (128065, 160588), (139042, 147910)]