20371967

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 6999553

約数列:

[1, 7, 11, 17, 77, 79, 119, 187, 197, 553, 869, 1309, 1343, 1379, 2167, 3349, 6083, 9401, 14773, 15169, 15563, 23443, 36839, 103411, 108941, 171193, 257873, 264571, 1198351, 1851997, 2910281, 20371967]

約数ペア:

[(1, 20371967), (7, 2910281), (11, 1851997), (17, 1198351), (77, 264571), (79, 257873), (119, 171193), (187, 108941), (197, 103411), (553, 36839), (869, 23443), (1309, 15563), (1343, 15169), (1379, 14773), (2167, 9401), (3349, 6083)]