20168965120

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{207329}}^1$

素因数の和:207373

約数の個数: 88

約数和(自身を含む): 50928541200

約数和(自身を除く): 30759576080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 5120, 6080, 9728, 12160, 19456, 24320, 48640, 97280, 207329, 414658, 829316, 1036645, 1658632, 2073290, 3317264, 3939251, 4146580, 6634528, 7878502, 8293160, 13269056, 15757004, 16586320, 19696255, 26538112, 31514008, 33172640, 39392510, 53076224, 63028016, 66345280, 78785020, 106152448, 126056032, 132690560, 157570040, 212304896, 252112064, 265381120, 315140080, 504224128, 530762240, 630280160, 1008448256, 1061524480, 1260560320, 2016896512, 2521120640, 4033793024, 5042241280, 10084482560, 20168965120]

約数ペア:

[(1, 20168965120), (2, 10084482560), (4, 5042241280), (5, 4033793024), (8, 2521120640), (10, 2016896512), (16, 1260560320), (19, 1061524480), (20, 1008448256), (32, 630280160), (38, 530762240), (40, 504224128), (64, 315140080), (76, 265381120), (80, 252112064), (95, 212304896), (128, 157570040), (152, 132690560), (160, 126056032), (190, 106152448), (256, 78785020), (304, 66345280), (320, 63028016), (380, 53076224), (512, 39392510), (608, 33172640), (640, 31514008), (760, 26538112), (1024, 19696255), (1216, 16586320), (1280, 15757004), (1520, 13269056), (2432, 8293160), (2560, 7878502), (3040, 6634528), (4864, 4146580), (5120, 3939251), (6080, 3317264), (9728, 2073290), (12160, 1658632), (19456, 1036645), (24320, 829316), (48640, 414658), (97280, 207329)]