20750295

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 13920297

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 265, 607, 645, 795, 1821, 2279, 3035, 6837, 9105, 11395, 26101, 32171, 34185, 78303, 96513, 130505, 160855, 391515, 482565, 1383353, 4150059, 6916765, 20750295]

約数ペア:

[(1, 20750295), (3, 6916765), (5, 4150059), (15, 1383353), (43, 482565), (53, 391515), (129, 160855), (159, 130505), (215, 96513), (265, 78303), (607, 34185), (645, 32171), (795, 26101), (1821, 11395), (2279, 9105), (3035, 6837)]