20158074

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 47878740

約数和(自身を除く): 27720666

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 46, 58, 69, 73, 87, 138, 146, 174, 207, 219, 261, 414, 438, 522, 529, 657, 667, 1058, 1314, 1334, 1587, 1679, 2001, 2117, 3174, 3358, 4002, 4234, 4761, 5037, 6003, 6351, 9522, 10074, 12006, 12702, 15111, 15341, 19053, 30222, 30682, 38106, 38617, 46023, 48691, 77234, 92046, 97382, 115851, 138069, 146073, 231702, 276138, 292146, 347553, 438219, 695106, 876438, 1119893, 2239786, 3359679, 6719358, 10079037, 20158074]

約数ペア:

[(1, 20158074), (2, 10079037), (3, 6719358), (6, 3359679), (9, 2239786), (18, 1119893), (23, 876438), (29, 695106), (46, 438219), (58, 347553), (69, 292146), (73, 276138), (87, 231702), (138, 146073), (146, 138069), (174, 115851), (207, 97382), (219, 92046), (261, 77234), (414, 48691), (438, 46023), (522, 38617), (529, 38106), (657, 30682), (667, 30222), (1058, 19053), (1314, 15341), (1334, 15111), (1587, 12702), (1679, 12006), (2001, 10074), (2117, 9522), (3174, 6351), (3358, 6003), (4002, 5037), (4234, 4761)]