20642454

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:474

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 35966826

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 23, 34, 42, 46, 51, 63, 69, 102, 119, 126, 138, 153, 161, 207, 238, 306, 322, 357, 391, 414, 419, 483, 714, 782, 838, 966, 1071, 1173, 1257, 1449, 2142, 2346, 2514, 2737, 2898, 2933, 3519, 3771, 5474, 5866, 7038, 7123, 7542, 8211, 8799, 9637, 14246, 16422, 17598, 19274, 21369, 24633, 26397, 28911, 42738, 49266, 49861, 52794, 57822, 64107, 67459, 86733, 99722, 128214, 134918, 149583, 163829, 173466, 202377, 299166, 327658, 404754, 448749, 491487, 607131, 897498, 982974, 1146803, 1214262, 1474461, 2293606, 2948922, 3440409, 6880818, 10321227, 20642454]

約数ペア:

[(1, 20642454), (2, 10321227), (3, 6880818), (6, 3440409), (7, 2948922), (9, 2293606), (14, 1474461), (17, 1214262), (18, 1146803), (21, 982974), (23, 897498), (34, 607131), (42, 491487), (46, 448749), (51, 404754), (63, 327658), (69, 299166), (102, 202377), (119, 173466), (126, 163829), (138, 149583), (153, 134918), (161, 128214), (207, 99722), (238, 86733), (306, 67459), (322, 64107), (357, 57822), (391, 52794), (414, 49861), (419, 49266), (483, 42738), (714, 28911), (782, 26397), (838, 24633), (966, 21369), (1071, 19274), (1173, 17598), (1257, 16422), (1449, 14246), (2142, 9637), (2346, 8799), (2514, 8211), (2737, 7542), (2898, 7123), (2933, 7038), (3519, 5866), (3771, 5474)]