20539848

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1187}}^1$

素因数の和:1306

約数の個数: 64

約数和(自身を含む): 59304960

約数和(自身を除く): 38765112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 103, 168, 206, 309, 412, 618, 721, 824, 1187, 1236, 1442, 2163, 2374, 2472, 2884, 3561, 4326, 4748, 5768, 7122, 8309, 8652, 9496, 14244, 16618, 17304, 24927, 28488, 33236, 49854, 66472, 99708, 122261, 199416, 244522, 366783, 489044, 733566, 855827, 978088, 1467132, 1711654, 2567481, 2934264, 3423308, 5134962, 6846616, 10269924, 20539848]

約数ペア:

[(1, 20539848), (2, 10269924), (3, 6846616), (4, 5134962), (6, 3423308), (7, 2934264), (8, 2567481), (12, 1711654), (14, 1467132), (21, 978088), (24, 855827), (28, 733566), (42, 489044), (56, 366783), (84, 244522), (103, 199416), (168, 122261), (206, 99708), (309, 66472), (412, 49854), (618, 33236), (721, 28488), (824, 24927), (1187, 17304), (1236, 16618), (1442, 14244), (2163, 9496), (2374, 8652), (2472, 8309), (2884, 7122), (3561, 5768), (4326, 4748)]