2021989660

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1\times {\mathrm{1637}}^1$

素因数の和:2206

約数の個数: 48

約数和(自身を含む): 4287366720

約数和(自身を除く): 2265377060

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 409, 604, 755, 818, 1510, 1636, 1637, 2045, 3020, 3274, 4090, 6548, 8180, 8185, 16370, 32740, 61759, 123518, 247036, 247187, 308795, 494374, 617590, 669533, 988748, 1235180, 1235935, 1339066, 2471870, 2678132, 3347665, 4943740, 6695330, 13390660, 101099483, 202198966, 404397932, 505497415, 1010994830, 2021989660]

約数ペア:

[(1, 2021989660), (2, 1010994830), (4, 505497415), (5, 404397932), (10, 202198966), (20, 101099483), (151, 13390660), (302, 6695330), (409, 4943740), (604, 3347665), (755, 2678132), (818, 2471870), (1510, 1339066), (1636, 1235935), (1637, 1235180), (2045, 988748), (3020, 669533), (3274, 617590), (4090, 494374), (6548, 308795), (8180, 247187), (8185, 247036), (16370, 123518), (32740, 61759)]