20170249070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1\times {\mathrm{128563}}^1$

素因数の和:129140

約数の個数: 32

約数和(自身を含む): 37628111520

約数和(自身を除く): 17457862450

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 541, 1082, 2705, 5410, 15689, 31378, 78445, 128563, 156890, 257126, 642815, 1285630, 3728327, 7456654, 18641635, 37283270, 69552583, 139105166, 347762915, 695525830, 2017024907, 4034049814, 10085124535, 20170249070]

約数ペア:

[(1, 20170249070), (2, 10085124535), (5, 4034049814), (10, 2017024907), (29, 695525830), (58, 347762915), (145, 139105166), (290, 69552583), (541, 37283270), (1082, 18641635), (2705, 7456654), (5410, 3728327), (15689, 1285630), (31378, 642815), (78445, 257126), (128563, 156890)]