201890020

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{66851}}^1$

素因数の和:67011

約数の個数: 24

約数和(自身を含む): 426783168

約数和(自身を除く): 224893148

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 66851, 133702, 267404, 334255, 668510, 1337020, 10094501, 20189002, 40378004, 50472505, 100945010, 201890020]

約数ペア:

[(1, 201890020), (2, 100945010), (4, 50472505), (5, 40378004), (10, 20189002), (20, 10094501), (151, 1337020), (302, 668510), (604, 334255), (755, 267404), (1510, 133702), (3020, 66851)]