20686302

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 96

約数和(自身を含む): 56242368

約数和(自身を除く): 35556066

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 73, 78, 91, 117, 126, 146, 173, 182, 219, 234, 273, 346, 438, 511, 519, 546, 657, 819, 949, 1022, 1038, 1211, 1314, 1533, 1557, 1638, 1898, 2249, 2422, 2847, 3066, 3114, 3633, 4498, 4599, 5694, 6643, 6747, 7266, 8541, 9198, 10899, 12629, 13286, 13494, 15743, 17082, 19929, 20241, 21798, 25258, 31486, 37887, 39858, 40482, 47229, 59787, 75774, 88403, 94458, 113661, 119574, 141687, 164177, 176806, 227322, 265209, 283374, 328354, 492531, 530418, 795627, 985062, 1149239, 1477593, 1591254, 2298478, 2955186, 3447717, 6895434, 10343151, 20686302]

約数ペア:

[(1, 20686302), (2, 10343151), (3, 6895434), (6, 3447717), (7, 2955186), (9, 2298478), (13, 1591254), (14, 1477593), (18, 1149239), (21, 985062), (26, 795627), (39, 530418), (42, 492531), (63, 328354), (73, 283374), (78, 265209), (91, 227322), (117, 176806), (126, 164177), (146, 141687), (173, 119574), (182, 113661), (219, 94458), (234, 88403), (273, 75774), (346, 59787), (438, 47229), (511, 40482), (519, 39858), (546, 37887), (657, 31486), (819, 25258), (949, 21798), (1022, 20241), (1038, 19929), (1211, 17082), (1314, 15743), (1533, 13494), (1557, 13286), (1638, 12629), (1898, 10899), (2249, 9198), (2422, 8541), (2847, 7266), (3066, 6747), (3114, 6643), (3633, 5694), (4498, 4599)]