20948328

素因数分解:

$2^3\times 3^3\times {\mathrm{293}}^1\times {\mathrm{331}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 58564800

約数和(自身を除く): 37616472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 293, 331, 586, 662, 879, 993, 1172, 1324, 1758, 1986, 2344, 2637, 2648, 2979, 3516, 3972, 5274, 5958, 7032, 7911, 7944, 8937, 10548, 11916, 15822, 17874, 21096, 23832, 31644, 35748, 63288, 71496, 96983, 193966, 290949, 387932, 581898, 775864, 872847, 1163796, 1745694, 2327592, 2618541, 3491388, 5237082, 6982776, 10474164, 20948328]

約数ペア:

[(1, 20948328), (2, 10474164), (3, 6982776), (4, 5237082), (6, 3491388), (8, 2618541), (9, 2327592), (12, 1745694), (18, 1163796), (24, 872847), (27, 775864), (36, 581898), (54, 387932), (72, 290949), (108, 193966), (216, 96983), (293, 71496), (331, 63288), (586, 35748), (662, 31644), (879, 23832), (993, 21096), (1172, 17874), (1324, 15822), (1758, 11916), (1986, 10548), (2344, 8937), (2637, 7944), (2648, 7911), (2979, 7032), (3516, 5958), (3972, 5274)]