20056190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^2$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 46576296

約数和(自身を除く): 26520106

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 61, 70, 77, 98, 110, 122, 154, 245, 305, 385, 427, 490, 539, 610, 671, 770, 854, 1078, 1342, 2135, 2695, 2989, 3355, 3721, 4270, 4697, 5390, 5978, 6710, 7442, 9394, 14945, 18605, 23485, 26047, 29890, 32879, 37210, 40931, 46970, 52094, 65758, 81862, 130235, 164395, 182329, 204655, 260470, 286517, 328790, 364658, 409310, 573034, 911645, 1432585, 1823290, 2005619, 2865170, 4011238, 10028095, 20056190]

約数ペア:

[(1, 20056190), (2, 10028095), (5, 4011238), (7, 2865170), (10, 2005619), (11, 1823290), (14, 1432585), (22, 911645), (35, 573034), (49, 409310), (55, 364658), (61, 328790), (70, 286517), (77, 260470), (98, 204655), (110, 182329), (122, 164395), (154, 130235), (245, 81862), (305, 65758), (385, 52094), (427, 46970), (490, 40931), (539, 37210), (610, 32879), (671, 29890), (770, 26047), (854, 23485), (1078, 18605), (1342, 14945), (2135, 9394), (2695, 7442), (2989, 6710), (3355, 5978), (3721, 5390), (4270, 4697)]