20989043670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{21601}}^1$

素因数の和:22286

約数の個数: 96

約数和(自身を含む): 58689350496

約数和(自身を除く): 37700306826

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 661, 735, 1322, 1470, 1983, 3305, 3966, 4627, 6610, 9254, 9915, 13881, 19830, 21601, 23135, 27762, 32389, 43202, 46270, 64778, 64803, 69405, 97167, 108005, 129606, 138810, 151207, 161945, 194334, 216010, 302414, 323890, 324015, 453621, 485835, 648030, 756035, 907242, 971670, 1058449, 1512070, 2116898, 2268105, 3175347, 4536210, 5292245, 6350694, 10584490, 14278261, 15876735, 28556522, 31753470, 42834783, 71391305, 85669566, 99947827, 142782610, 199895654, 214173915, 299843481, 428347830, 499739135, 599686962, 699634789, 999478270, 1399269578, 1499217405, 2098904367, 2998434810, 3498173945, 4197808734, 6996347890, 10494521835, 20989043670]

約数ペア:

[(1, 20989043670), (2, 10494521835), (3, 6996347890), (5, 4197808734), (6, 3498173945), (7, 2998434810), (10, 2098904367), (14, 1499217405), (15, 1399269578), (21, 999478270), (30, 699634789), (35, 599686962), (42, 499739135), (49, 428347830), (70, 299843481), (98, 214173915), (105, 199895654), (147, 142782610), (210, 99947827), (245, 85669566), (294, 71391305), (490, 42834783), (661, 31753470), (735, 28556522), (1322, 15876735), (1470, 14278261), (1983, 10584490), (3305, 6350694), (3966, 5292245), (4627, 4536210), (6610, 3175347), (9254, 2268105), (9915, 2116898), (13881, 1512070), (19830, 1058449), (21601, 971670), (23135, 907242), (27762, 756035), (32389, 648030), (43202, 485835), (46270, 453621), (64778, 324015), (64803, 323890), (69405, 302414), (97167, 216010), (108005, 194334), (129606, 161945), (138810, 151207)]