12920166

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 72

約数和(自身を含む): 33329712

約数和(自身を除く): 20409546

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 61, 63, 82, 122, 123, 126, 183, 246, 287, 366, 369, 427, 549, 574, 738, 854, 861, 1098, 1281, 1681, 1722, 2501, 2562, 2583, 3362, 3843, 5002, 5043, 5166, 7503, 7686, 10086, 11767, 15006, 15129, 17507, 22509, 23534, 30258, 35014, 35301, 45018, 52521, 70602, 102541, 105042, 105903, 157563, 205082, 211806, 307623, 315126, 615246, 717787, 922869, 1435574, 1845738, 2153361, 4306722, 6460083, 12920166]

約数ペア:

[(1, 12920166), (2, 6460083), (3, 4306722), (6, 2153361), (7, 1845738), (9, 1435574), (14, 922869), (18, 717787), (21, 615246), (41, 315126), (42, 307623), (61, 211806), (63, 205082), (82, 157563), (122, 105903), (123, 105042), (126, 102541), (183, 70602), (246, 52521), (287, 45018), (366, 35301), (369, 35014), (427, 30258), (549, 23534), (574, 22509), (738, 17507), (854, 15129), (861, 15006), (1098, 11767), (1281, 10086), (1681, 7686), (1722, 7503), (2501, 5166), (2562, 5043), (2583, 5002), (3362, 3843)]