20932408

素因数分解:

$2^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 46395720

約数和(自身を除く): 25463312

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 67, 98, 134, 196, 268, 392, 469, 536, 797, 938, 1594, 1876, 3188, 3283, 3752, 5579, 6376, 6566, 11158, 13132, 22316, 26264, 39053, 44632, 53399, 78106, 106798, 156212, 213596, 312424, 373793, 427192, 747586, 1495172, 2616551, 2990344, 5233102, 10466204, 20932408]

約数ペア:

[(1, 20932408), (2, 10466204), (4, 5233102), (7, 2990344), (8, 2616551), (14, 1495172), (28, 747586), (49, 427192), (56, 373793), (67, 312424), (98, 213596), (134, 156212), (196, 106798), (268, 78106), (392, 53399), (469, 44632), (536, 39053), (797, 26264), (938, 22316), (1594, 13132), (1876, 11158), (3188, 6566), (3283, 6376), (3752, 5579)]