20189668960

素因数分解:

$2^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1\times {\mathrm{1787}}^1$

素因数の和:2336

約数の個数: 96

約数和(自身を含む): 48086371872

約数和(自身を除く): 27896702912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 241, 293, 482, 586, 964, 1172, 1205, 1465, 1787, 1928, 2344, 2410, 2930, 3574, 3856, 4688, 4820, 5860, 7148, 7712, 8935, 9376, 9640, 11720, 14296, 17870, 19280, 23440, 28592, 35740, 38560, 46880, 57184, 70613, 71480, 141226, 142960, 282452, 285920, 353065, 430667, 523591, 564904, 706130, 861334, 1047182, 1129808, 1412260, 1722668, 2094364, 2153335, 2259616, 2617955, 2824520, 3445336, 4188728, 4306670, 5235910, 5649040, 6890672, 8377456, 8613340, 10471820, 11298080, 13781344, 16754912, 17226680, 20943640, 34453360, 41887280, 68906720, 83774560, 126185431, 252370862, 504741724, 630927155, 1009483448, 1261854310, 2018966896, 2523708620, 4037933792, 5047417240, 10094834480, 20189668960]

約数ペア:

[(1, 20189668960), (2, 10094834480), (4, 5047417240), (5, 4037933792), (8, 2523708620), (10, 2018966896), (16, 1261854310), (20, 1009483448), (32, 630927155), (40, 504741724), (80, 252370862), (160, 126185431), (241, 83774560), (293, 68906720), (482, 41887280), (586, 34453360), (964, 20943640), (1172, 17226680), (1205, 16754912), (1465, 13781344), (1787, 11298080), (1928, 10471820), (2344, 8613340), (2410, 8377456), (2930, 6890672), (3574, 5649040), (3856, 5235910), (4688, 4306670), (4820, 4188728), (5860, 3445336), (7148, 2824520), (7712, 2617955), (8935, 2259616), (9376, 2153335), (9640, 2094364), (11720, 1722668), (14296, 1412260), (17870, 1129808), (19280, 1047182), (23440, 861334), (28592, 706130), (35740, 564904), (38560, 523591), (46880, 430667), (57184, 353065), (70613, 285920), (71480, 282452), (141226, 142960)]