20559924

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7417}}^1$

素因数の和:7445

約数の個数: 72

約数和(自身を含む): 64803648

約数和(自身を除く): 44243724

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7417, 14834, 22251, 29668, 44502, 51919, 66753, 81587, 89004, 103838, 133506, 155757, 163174, 207676, 244761, 267012, 311514, 326348, 467271, 489522, 571109, 623028, 734283, 934542, 979044, 1142218, 1468566, 1713327, 1869084, 2284436, 2937132, 3426654, 5139981, 6853308, 10279962, 20559924]

約数ペア:

[(1, 20559924), (2, 10279962), (3, 6853308), (4, 5139981), (6, 3426654), (7, 2937132), (9, 2284436), (11, 1869084), (12, 1713327), (14, 1468566), (18, 1142218), (21, 979044), (22, 934542), (28, 734283), (33, 623028), (36, 571109), (42, 489522), (44, 467271), (63, 326348), (66, 311514), (77, 267012), (84, 244761), (99, 207676), (126, 163174), (132, 155757), (154, 133506), (198, 103838), (231, 89004), (252, 81587), (308, 66753), (396, 51919), (462, 44502), (693, 29668), (924, 22251), (1386, 14834), (2772, 7417)]