20213889940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1\times {\mathrm{73361}}^1$

素因数の和:73992

約数の個数: 48

約数和(自身を含む): 44369337600

約数和(自身を除く): 24155447660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 599, 1198, 2396, 2995, 5990, 11980, 13777, 27554, 55108, 68885, 73361, 137770, 146722, 275540, 293444, 366805, 733610, 1467220, 1687303, 3374606, 6749212, 8436515, 16873030, 33746060, 43943239, 87886478, 175772956, 219716195, 439432390, 878864780, 1010694497, 2021388994, 4042777988, 5053472485, 10106944970, 20213889940]

約数ペア:

[(1, 20213889940), (2, 10106944970), (4, 5053472485), (5, 4042777988), (10, 2021388994), (20, 1010694497), (23, 878864780), (46, 439432390), (92, 219716195), (115, 175772956), (230, 87886478), (460, 43943239), (599, 33746060), (1198, 16873030), (2396, 8436515), (2995, 6749212), (5990, 3374606), (11980, 1687303), (13777, 1467220), (27554, 733610), (55108, 366805), (68885, 293444), (73361, 275540), (137770, 146722)]