20886966

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 48063600

約数和(自身を除く): 27176634

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 157, 171, 314, 342, 389, 471, 778, 942, 1167, 1413, 2334, 2826, 2983, 3501, 5966, 7002, 7391, 8949, 14782, 17898, 22173, 26847, 44346, 53694, 61073, 66519, 122146, 133038, 183219, 366438, 549657, 1099314, 1160387, 2320774, 3481161, 6962322, 10443483, 20886966]

約数ペア:

[(1, 20886966), (2, 10443483), (3, 6962322), (6, 3481161), (9, 2320774), (18, 1160387), (19, 1099314), (38, 549657), (57, 366438), (114, 183219), (157, 133038), (171, 122146), (314, 66519), (342, 61073), (389, 53694), (471, 44346), (778, 26847), (942, 22173), (1167, 17898), (1413, 14782), (2334, 8949), (2826, 7391), (2983, 7002), (3501, 5966)]