20081777520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11953439}}^1$

素因数の和:11953462

約数の個数: 80

約数和(自身を含む): 71146874880

約数和(自身を除く): 51065097360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11953439, 23906878, 35860317, 47813756, 59767195, 71720634, 83674073, 95627512, 119534390, 143441268, 167348146, 179301585, 191255024, 239068780, 251022219, 286882536, 334696292, 358603170, 418370365, 478137560, 502044438, 573765072, 669392584, 717206340, 836740730, 956275120, 1004088876, 1255111095, 1338785168, 1434412680, 1673481460, 2008177752, 2510222190, 2868825360, 3346962920, 4016355504, 5020444380, 6693925840, 10040888760, 20081777520]

約数ペア:

[(1, 20081777520), (2, 10040888760), (3, 6693925840), (4, 5020444380), (5, 4016355504), (6, 3346962920), (7, 2868825360), (8, 2510222190), (10, 2008177752), (12, 1673481460), (14, 1434412680), (15, 1338785168), (16, 1255111095), (20, 1004088876), (21, 956275120), (24, 836740730), (28, 717206340), (30, 669392584), (35, 573765072), (40, 502044438), (42, 478137560), (48, 418370365), (56, 358603170), (60, 334696292), (70, 286882536), (80, 251022219), (84, 239068780), (105, 191255024), (112, 179301585), (120, 167348146), (140, 143441268), (168, 119534390), (210, 95627512), (240, 83674073), (280, 71720634), (336, 59767195), (420, 47813756), (560, 35860317), (840, 23906878), (1680, 11953439)]