20199503950

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{15907}}^1$

素因数の和:16261

約数の個数: 48

約数和(自身を含む): 38080888560

約数和(自身を除く): 17881384610

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 233, 466, 545, 1090, 1165, 2330, 2725, 5450, 5825, 11650, 15907, 25397, 31814, 50794, 79535, 126985, 159070, 253970, 397675, 634925, 795350, 1269850, 1733863, 3467726, 3706331, 7412662, 8669315, 17338630, 18531655, 37063310, 43346575, 86693150, 92658275, 185316550, 403990079, 807980158, 2019950395, 4039900790, 10099751975, 20199503950]

約数ペア:

[(1, 20199503950), (2, 10099751975), (5, 4039900790), (10, 2019950395), (25, 807980158), (50, 403990079), (109, 185316550), (218, 92658275), (233, 86693150), (466, 43346575), (545, 37063310), (1090, 18531655), (1165, 17338630), (2330, 8669315), (2725, 7412662), (5450, 3706331), (5825, 3467726), (11650, 1733863), (15907, 1269850), (25397, 795350), (31814, 634925), (50794, 397675), (79535, 253970), (126985, 159070)]