20291206360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11797213}}^1$

素因数の和:11797267

約数の個数: 32

約数和(自身を含む): 46716967440

約数和(自身を除く): 26425761080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11797213, 23594426, 47188852, 58986065, 94377704, 117972130, 235944260, 471888520, 507280159, 1014560318, 2029120636, 2536400795, 4058241272, 5072801590, 10145603180, 20291206360]

約数ペア:

[(1, 20291206360), (2, 10145603180), (4, 5072801590), (5, 4058241272), (8, 2536400795), (10, 2029120636), (20, 1014560318), (40, 507280159), (43, 471888520), (86, 235944260), (172, 117972130), (215, 94377704), (344, 58986065), (430, 47188852), (860, 23594426), (1720, 11797213)]