20501628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2281}}^1$

素因数の和:2402

約数の個数: 48

約数和(自身を含む): 55206144

約数和(自身を除く): 34704516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2247, 2281, 2996, 4494, 4562, 6843, 8988, 9124, 13686, 15967, 27372, 31934, 47901, 63868, 95802, 191604, 244067, 488134, 732201, 976268, 1464402, 1708469, 2928804, 3416938, 5125407, 6833876, 10250814, 20501628]

約数ペア:

[(1, 20501628), (2, 10250814), (3, 6833876), (4, 5125407), (6, 3416938), (7, 2928804), (12, 1708469), (14, 1464402), (21, 976268), (28, 732201), (42, 488134), (84, 244067), (107, 191604), (214, 95802), (321, 63868), (428, 47901), (642, 31934), (749, 27372), (1284, 15967), (1498, 13686), (2247, 9124), (2281, 8988), (2996, 6843), (4494, 4562)]