2021036020

素因数分解:

$2^2\times 5^1\times {\mathrm{8059}}^1\times {\mathrm{12539}}^1$

素因数の和:20607

約数の個数: 24

約数和(自身を含む): 4245040800

約数和(自身を除く): 2224004780

約数列:

[1, 2, 4, 5, 10, 20, 8059, 12539, 16118, 25078, 32236, 40295, 50156, 62695, 80590, 125390, 161180, 250780, 101051801, 202103602, 404207204, 505259005, 1010518010, 2021036020]

約数ペア:

[(1, 2021036020), (2, 1010518010), (4, 505259005), (5, 404207204), (10, 202103602), (20, 101051801), (8059, 250780), (12539, 161180), (16118, 125390), (25078, 80590), (32236, 62695), (40295, 50156)]