20379702

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 52342272

約数和(自身を除く): 31962570

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 23, 34, 42, 46, 51, 69, 73, 102, 119, 138, 146, 161, 219, 238, 289, 322, 357, 391, 438, 483, 511, 578, 714, 782, 867, 966, 1022, 1173, 1241, 1533, 1679, 1734, 2023, 2346, 2482, 2737, 3066, 3358, 3723, 4046, 5037, 5474, 6069, 6647, 7446, 8211, 8687, 10074, 11753, 12138, 13294, 16422, 17374, 19941, 21097, 23506, 26061, 28543, 35259, 39882, 42194, 46529, 52122, 57086, 63291, 70518, 85629, 93058, 126582, 139587, 147679, 171258, 199801, 279174, 295358, 399602, 443037, 485231, 599403, 886074, 970462, 1198806, 1455693, 2911386, 3396617, 6793234, 10189851, 20379702]

約数ペア:

[(1, 20379702), (2, 10189851), (3, 6793234), (6, 3396617), (7, 2911386), (14, 1455693), (17, 1198806), (21, 970462), (23, 886074), (34, 599403), (42, 485231), (46, 443037), (51, 399602), (69, 295358), (73, 279174), (102, 199801), (119, 171258), (138, 147679), (146, 139587), (161, 126582), (219, 93058), (238, 85629), (289, 70518), (322, 63291), (357, 57086), (391, 52122), (438, 46529), (483, 42194), (511, 39882), (578, 35259), (714, 28543), (782, 26061), (867, 23506), (966, 21097), (1022, 19941), (1173, 17374), (1241, 16422), (1533, 13294), (1679, 12138), (1734, 11753), (2023, 10074), (2346, 8687), (2482, 8211), (2737, 7446), (3066, 6647), (3358, 6069), (3723, 5474), (4046, 5037)]