20761775470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{26683}}^1$

素因数の和:26929

約数の個数: 64

約数和(自身を含む): 41498956800

約数和(自身を除く): 20737181330

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 199, 230, 391, 398, 782, 995, 1955, 1990, 3383, 3910, 4577, 6766, 9154, 16915, 22885, 26683, 33830, 45770, 53366, 77809, 133415, 155618, 266830, 389045, 453611, 613709, 778090, 907222, 1227418, 2268055, 3068545, 4536110, 5309917, 6137090, 10433053, 10619834, 20866106, 26549585, 52165265, 53099170, 90268589, 104330530, 122128091, 180537178, 244256182, 451342945, 610640455, 902685890, 1221280910, 2076177547, 4152355094, 10380887735, 20761775470]

約数ペア:

[(1, 20761775470), (2, 10380887735), (5, 4152355094), (10, 2076177547), (17, 1221280910), (23, 902685890), (34, 610640455), (46, 451342945), (85, 244256182), (115, 180537178), (170, 122128091), (199, 104330530), (230, 90268589), (391, 53099170), (398, 52165265), (782, 26549585), (995, 20866106), (1955, 10619834), (1990, 10433053), (3383, 6137090), (3910, 5309917), (4577, 4536110), (6766, 3068545), (9154, 2268055), (16915, 1227418), (22885, 907222), (26683, 778090), (33830, 613709), (45770, 453611), (53366, 389045), (77809, 266830), (133415, 155618)]