20786723984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{34213}}^1$

素因数の和:34384

約数の個数: 80

約数和(自身を含む): 45615747072

約数和(自身を除く): 24829023088

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 127, 184, 208, 254, 299, 368, 508, 598, 1016, 1196, 1651, 2032, 2392, 2921, 3302, 4784, 5842, 6604, 11684, 13208, 23368, 26416, 34213, 37973, 46736, 68426, 75946, 136852, 151892, 273704, 303784, 444769, 547408, 607568, 786899, 889538, 1573798, 1779076, 3147596, 3558152, 4345051, 6295192, 7116304, 8690102, 10229687, 12590384, 17380204, 20459374, 34760408, 40918748, 56485663, 69520816, 81837496, 99936173, 112971326, 163674992, 199872346, 225942652, 399744692, 451885304, 799489384, 903770608, 1299170249, 1598978768, 2598340498, 5196680996, 10393361992, 20786723984]

約数ペア:

[(1, 20786723984), (2, 10393361992), (4, 5196680996), (8, 2598340498), (13, 1598978768), (16, 1299170249), (23, 903770608), (26, 799489384), (46, 451885304), (52, 399744692), (92, 225942652), (104, 199872346), (127, 163674992), (184, 112971326), (208, 99936173), (254, 81837496), (299, 69520816), (368, 56485663), (508, 40918748), (598, 34760408), (1016, 20459374), (1196, 17380204), (1651, 12590384), (2032, 10229687), (2392, 8690102), (2921, 7116304), (3302, 6295192), (4784, 4345051), (5842, 3558152), (6604, 3147596), (11684, 1779076), (13208, 1573798), (23368, 889538), (26416, 786899), (34213, 607568), (37973, 547408), (46736, 444769), (68426, 303784), (75946, 273704), (136852, 151892)]