20884968

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 62211240

約数和(自身を除く): 41326272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 53, 72, 78, 104, 106, 117, 156, 159, 212, 234, 312, 318, 421, 424, 468, 477, 636, 689, 842, 936, 954, 1263, 1272, 1378, 1684, 1908, 2067, 2526, 2756, 3368, 3789, 3816, 4134, 5052, 5473, 5512, 6201, 7578, 8268, 10104, 10946, 12402, 15156, 16419, 16536, 21892, 22313, 24804, 30312, 32838, 43784, 44626, 49257, 49608, 65676, 66939, 89252, 98514, 131352, 133878, 178504, 197028, 200817, 267756, 290069, 394056, 401634, 535512, 580138, 803268, 870207, 1160276, 1606536, 1740414, 2320552, 2610621, 3480828, 5221242, 6961656, 10442484, 20884968]

約数ペア:

[(1, 20884968), (2, 10442484), (3, 6961656), (4, 5221242), (6, 3480828), (8, 2610621), (9, 2320552), (12, 1740414), (13, 1606536), (18, 1160276), (24, 870207), (26, 803268), (36, 580138), (39, 535512), (52, 401634), (53, 394056), (72, 290069), (78, 267756), (104, 200817), (106, 197028), (117, 178504), (156, 133878), (159, 131352), (212, 98514), (234, 89252), (312, 66939), (318, 65676), (421, 49608), (424, 49257), (468, 44626), (477, 43784), (636, 32838), (689, 30312), (842, 24804), (936, 22313), (954, 21892), (1263, 16536), (1272, 16419), (1378, 15156), (1684, 12402), (1908, 10946), (2067, 10104), (2526, 8268), (2756, 7578), (3368, 6201), (3789, 5512), (3816, 5473), (4134, 5052)]