20866212

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 55097952

約数和(自身を除く): 34231740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 67, 82, 123, 134, 164, 201, 211, 246, 268, 369, 402, 422, 492, 603, 633, 738, 804, 844, 1206, 1266, 1476, 1899, 2412, 2532, 2747, 3798, 5494, 7596, 8241, 8651, 10988, 14137, 16482, 17302, 24723, 25953, 28274, 32964, 34604, 42411, 49446, 51906, 56548, 77859, 84822, 98892, 103812, 127233, 155718, 169644, 254466, 311436, 508932, 579617, 1159234, 1738851, 2318468, 3477702, 5216553, 6955404, 10433106, 20866212]

約数ペア:

[(1, 20866212), (2, 10433106), (3, 6955404), (4, 5216553), (6, 3477702), (9, 2318468), (12, 1738851), (18, 1159234), (36, 579617), (41, 508932), (67, 311436), (82, 254466), (123, 169644), (134, 155718), (164, 127233), (201, 103812), (211, 98892), (246, 84822), (268, 77859), (369, 56548), (402, 51906), (422, 49446), (492, 42411), (603, 34604), (633, 32964), (738, 28274), (804, 25953), (844, 24723), (1206, 17302), (1266, 16482), (1476, 14137), (1899, 10988), (2412, 8651), (2532, 8241), (2747, 7596), (3798, 5494)]