20577521276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1\times {\mathrm{38861}}^1$

素因数の和:39494

約数の個数: 48

約数和(自身を含む): 41131540800

約数和(自身を除く): 20554019524

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 599, 884, 1198, 2396, 7787, 10183, 15574, 20366, 31148, 38861, 40732, 77722, 132379, 155444, 264758, 505193, 529516, 660637, 1010386, 1321274, 2020772, 2642548, 8588281, 17176562, 23277739, 34353124, 46555478, 93110956, 302610607, 395721563, 605221214, 791443126, 1210442428, 1582886252, 5144380319, 10288760638, 20577521276]

約数ペア:

[(1, 20577521276), (2, 10288760638), (4, 5144380319), (13, 1582886252), (17, 1210442428), (26, 791443126), (34, 605221214), (52, 395721563), (68, 302610607), (221, 93110956), (442, 46555478), (599, 34353124), (884, 23277739), (1198, 17176562), (2396, 8588281), (7787, 2642548), (10183, 2020772), (15574, 1321274), (20366, 1010386), (31148, 660637), (38861, 529516), (40732, 505193), (77722, 264758), (132379, 155444)]