20959736

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19699}}^1$

素因数の和:19731

約数の個数: 32

約数和(自身を含む): 47280000

約数和(自身を除く): 26320264

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19699, 39398, 78796, 137893, 157592, 275786, 374281, 551572, 748562, 1103144, 1497124, 2619967, 2994248, 5239934, 10479868, 20959736]

約数ペア:

[(1, 20959736), (2, 10479868), (4, 5239934), (7, 2994248), (8, 2619967), (14, 1497124), (19, 1103144), (28, 748562), (38, 551572), (56, 374281), (76, 275786), (133, 157592), (152, 137893), (266, 78796), (532, 39398), (1064, 19699)]