20187970509

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{167801}}^1$

素因数の和:168165

約数の個数: 32

約数和(自身を含む): 32669035776

約数和(自身を除く): 12481065267

約数列:

[1, 3, 7, 17, 21, 51, 119, 337, 357, 1011, 2359, 5729, 7077, 17187, 40103, 120309, 167801, 503403, 1174607, 2852617, 3523821, 8557851, 19968319, 56548937, 59904957, 169646811, 395842559, 961331929, 1187527677, 2883995787, 6729323503, 20187970509]

約数ペア:

[(1, 20187970509), (3, 6729323503), (7, 2883995787), (17, 1187527677), (21, 961331929), (51, 395842559), (119, 169646811), (337, 59904957), (357, 56548937), (1011, 19968319), (2359, 8557851), (5729, 3523821), (7077, 2852617), (17187, 1174607), (40103, 503403), (120309, 167801)]