20861946

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 54912000

約数和(自身を除く): 34050054

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 93, 98, 109, 126, 147, 186, 217, 218, 279, 294, 327, 343, 434, 441, 558, 651, 654, 686, 763, 882, 981, 1029, 1302, 1519, 1526, 1953, 1962, 2058, 2289, 3038, 3087, 3379, 3906, 4557, 4578, 5341, 6174, 6758, 6867, 9114, 10137, 10633, 10682, 13671, 13734, 16023, 20274, 21266, 23653, 27342, 30411, 31899, 32046, 37387, 47306, 48069, 60822, 63798, 70959, 74774, 95697, 96138, 112161, 141918, 165571, 191394, 212877, 224322, 331142, 336483, 425754, 496713, 672966, 993426, 1158997, 1490139, 2317994, 2980278, 3476991, 6953982, 10430973, 20861946]

約数ペア:

[(1, 20861946), (2, 10430973), (3, 6953982), (6, 3476991), (7, 2980278), (9, 2317994), (14, 1490139), (18, 1158997), (21, 993426), (31, 672966), (42, 496713), (49, 425754), (62, 336483), (63, 331142), (93, 224322), (98, 212877), (109, 191394), (126, 165571), (147, 141918), (186, 112161), (217, 96138), (218, 95697), (279, 74774), (294, 70959), (327, 63798), (343, 60822), (434, 48069), (441, 47306), (558, 37387), (651, 32046), (654, 31899), (686, 30411), (763, 27342), (882, 23653), (981, 21266), (1029, 20274), (1302, 16023), (1519, 13734), (1526, 13671), (1953, 10682), (1962, 10633), (2058, 10137), (2289, 9114), (3038, 6867), (3087, 6758), (3379, 6174), (3906, 5341), (4557, 4578)]