20196080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6823}}^1$

素因数の和:6873

約数の個数: 40

約数和(自身を含む): 48232032

約数和(自身を除く): 28035952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6823, 13646, 27292, 34115, 54584, 68230, 109168, 136460, 252451, 272920, 504902, 545840, 1009804, 1262255, 2019608, 2524510, 4039216, 5049020, 10098040, 20196080]

約数ペア:

[(1, 20196080), (2, 10098040), (4, 5049020), (5, 4039216), (8, 2524510), (10, 2019608), (16, 1262255), (20, 1009804), (37, 545840), (40, 504902), (74, 272920), (80, 252451), (148, 136460), (185, 109168), (296, 68230), (370, 54584), (592, 34115), (740, 27292), (1480, 13646), (2960, 6823)]