20171635580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{97007}}^1$

素因数の和:97334

約数の個数: 48

約数和(自身を含む): 43660584576

約数和(自身を除く): 23488948996

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 281, 370, 562, 740, 1124, 1405, 2810, 5620, 10397, 20794, 41588, 51985, 97007, 103970, 194014, 207940, 388028, 485035, 970070, 1940140, 3589259, 7178518, 14357036, 17946295, 27258967, 35892590, 54517934, 71785180, 109035868, 136294835, 272589670, 545179340, 1008581779, 2017163558, 4034327116, 5042908895, 10085817790, 20171635580]

約数ペア:

[(1, 20171635580), (2, 10085817790), (4, 5042908895), (5, 4034327116), (10, 2017163558), (20, 1008581779), (37, 545179340), (74, 272589670), (148, 136294835), (185, 109035868), (281, 71785180), (370, 54517934), (562, 35892590), (740, 27258967), (1124, 17946295), (1405, 14357036), (2810, 7178518), (5620, 3589259), (10397, 1940140), (20794, 970070), (41588, 485035), (51985, 388028), (97007, 207940), (103970, 194014)]