20711976

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 55598400

約数和(自身を除く): 34886424

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 53, 57, 76, 106, 114, 152, 159, 212, 228, 318, 424, 456, 636, 857, 1007, 1272, 1714, 2014, 2571, 3021, 3428, 4028, 5142, 6042, 6856, 8056, 10284, 12084, 16283, 20568, 24168, 32566, 45421, 48849, 65132, 90842, 97698, 130264, 136263, 181684, 195396, 272526, 363368, 390792, 545052, 862999, 1090104, 1725998, 2588997, 3451996, 5177994, 6903992, 10355988, 20711976]

約数ペア:

[(1, 20711976), (2, 10355988), (3, 6903992), (4, 5177994), (6, 3451996), (8, 2588997), (12, 1725998), (19, 1090104), (24, 862999), (38, 545052), (53, 390792), (57, 363368), (76, 272526), (106, 195396), (114, 181684), (152, 136263), (159, 130264), (212, 97698), (228, 90842), (318, 65132), (424, 48849), (456, 45421), (636, 32566), (857, 24168), (1007, 20568), (1272, 16283), (1714, 12084), (2014, 10284), (2571, 8056), (3021, 6856), (3428, 6042), (4028, 5142)]