20586412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 45480960

約数和(自身を除く): 24894548

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 751, 979, 1246, 1502, 1958, 2492, 3004, 3916, 5257, 6853, 8261, 10514, 13706, 16522, 21028, 27412, 33044, 57827, 66839, 115654, 133678, 231308, 267356, 467873, 735229, 935746, 1470458, 1871492, 2940916, 5146603, 10293206, 20586412]

約数ペア:

[(1, 20586412), (2, 10293206), (4, 5146603), (7, 2940916), (11, 1871492), (14, 1470458), (22, 935746), (28, 735229), (44, 467873), (77, 267356), (89, 231308), (154, 133678), (178, 115654), (308, 66839), (356, 57827), (623, 33044), (751, 27412), (979, 21028), (1246, 16522), (1502, 13706), (1958, 10514), (2492, 8261), (3004, 6853), (3916, 5257)]