849090020

素因数分解:

$2^2\times 5^1\times {\mathrm{4973}}^1\times {\mathrm{8537}}^1$

素因数の和:13519

約数の個数: 24

約数和(自身を含む): 1783656504

約数和(自身を除く): 934566484

約数列:

[1, 2, 4, 5, 10, 20, 4973, 8537, 9946, 17074, 19892, 24865, 34148, 42685, 49730, 85370, 99460, 170740, 42454501, 84909002, 169818004, 212272505, 424545010, 849090020]

約数ペア:

[(1, 849090020), (2, 424545010), (4, 212272505), (5, 169818004), (10, 84909002), (20, 42454501), (4973, 170740), (8537, 99460), (9946, 85370), (17074, 49730), (19892, 42685), (24865, 34148)]