207020180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{7561}}^1$

素因数の和:7644

約数の個数: 36

約数和(自身を含む): 446868828

約数和(自身を除く): 239848648

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1369, 2738, 5476, 6845, 7561, 13690, 15122, 27380, 30244, 37805, 75610, 151220, 279757, 559514, 1119028, 1398785, 2797570, 5595140, 10351009, 20702018, 41404036, 51755045, 103510090, 207020180]

約数ペア:

[(1, 207020180), (2, 103510090), (4, 51755045), (5, 41404036), (10, 20702018), (20, 10351009), (37, 5595140), (74, 2797570), (148, 1398785), (185, 1119028), (370, 559514), (740, 279757), (1369, 151220), (2738, 75610), (5476, 37805), (6845, 30244), (7561, 27380), (13690, 15122)]