20187190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 17733770

約数列:

[1, 2, 5, 10, 29, 58, 145, 151, 290, 302, 461, 755, 922, 1510, 2305, 4379, 4610, 8758, 13369, 21895, 26738, 43790, 66845, 69611, 133690, 139222, 348055, 696110, 2018719, 4037438, 10093595, 20187190]

約数ペア:

[(1, 20187190), (2, 10093595), (5, 4037438), (10, 2018719), (29, 696110), (58, 348055), (145, 139222), (151, 133690), (290, 69611), (302, 66845), (461, 43790), (755, 26738), (922, 21895), (1510, 13369), (2305, 8758), (4379, 4610)]