20169070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 39611808

約数和(自身を除く): 19442738

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 151, 185, 190, 302, 361, 370, 703, 722, 755, 1406, 1510, 1805, 2869, 3515, 3610, 5587, 5738, 7030, 11174, 13357, 14345, 26714, 27935, 28690, 54511, 55870, 66785, 106153, 109022, 133570, 212306, 272555, 530765, 545110, 1061530, 2016907, 4033814, 10084535, 20169070]

約数ペア:

[(1, 20169070), (2, 10084535), (5, 4033814), (10, 2016907), (19, 1061530), (37, 545110), (38, 530765), (74, 272555), (95, 212306), (151, 133570), (185, 109022), (190, 106153), (302, 66785), (361, 55870), (370, 54511), (703, 28690), (722, 27935), (755, 26714), (1406, 14345), (1510, 13357), (1805, 11174), (2869, 7030), (3515, 5738), (3610, 5587)]