20684916

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27361}}^1$

素因数の和:27381

約数の個数: 48

約数和(自身を含む): 61290880

約数和(自身を除く): 40605964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27361, 54722, 82083, 109444, 164166, 191527, 246249, 328332, 383054, 492498, 574581, 738747, 766108, 984996, 1149162, 1477494, 1723743, 2298324, 2954988, 3447486, 5171229, 6894972, 10342458, 20684916]

約数ペア:

[(1, 20684916), (2, 10342458), (3, 6894972), (4, 5171229), (6, 3447486), (7, 2954988), (9, 2298324), (12, 1723743), (14, 1477494), (18, 1149162), (21, 984996), (27, 766108), (28, 738747), (36, 574581), (42, 492498), (54, 383054), (63, 328332), (84, 246249), (108, 191527), (126, 164166), (189, 109444), (252, 82083), (378, 54722), (756, 27361)]