20684844

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30241}}^1$

素因数の和:30270

約数の個数: 36

約数和(自身を含む): 55040440

約数和(自身を除く): 34355596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30241, 60482, 90723, 120964, 181446, 272169, 362892, 544338, 574579, 1088676, 1149158, 1723737, 2298316, 3447474, 5171211, 6894948, 10342422, 20684844]

約数ペア:

[(1, 20684844), (2, 10342422), (3, 6894948), (4, 5171211), (6, 3447474), (9, 2298316), (12, 1723737), (18, 1149158), (19, 1088676), (36, 574579), (38, 544338), (57, 362892), (76, 272169), (114, 181446), (171, 120964), (228, 90723), (342, 60482), (684, 30241)]