20196159700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{302791}}^1$

素因数の和:302857

約数の個数: 72

約数和(自身を含む): 47308222080

約数和(自身を除く): 27112062380

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 29, 46, 50, 58, 92, 100, 115, 116, 145, 230, 290, 460, 575, 580, 667, 725, 1150, 1334, 1450, 2300, 2668, 2900, 3335, 6670, 13340, 16675, 33350, 66700, 302791, 605582, 1211164, 1513955, 3027910, 6055820, 6964193, 7569775, 8780939, 13928386, 15139550, 17561878, 27856772, 30279100, 34820965, 35123756, 43904695, 69641930, 87809390, 139283860, 174104825, 175618780, 201961597, 219523475, 348209650, 403923194, 439046950, 696419300, 807846388, 878093900, 1009807985, 2019615970, 4039231940, 5049039925, 10098079850, 20196159700]

約数ペア:

[(1, 20196159700), (2, 10098079850), (4, 5049039925), (5, 4039231940), (10, 2019615970), (20, 1009807985), (23, 878093900), (25, 807846388), (29, 696419300), (46, 439046950), (50, 403923194), (58, 348209650), (92, 219523475), (100, 201961597), (115, 175618780), (116, 174104825), (145, 139283860), (230, 87809390), (290, 69641930), (460, 43904695), (575, 35123756), (580, 34820965), (667, 30279100), (725, 27856772), (1150, 17561878), (1334, 15139550), (1450, 13928386), (2300, 8780939), (2668, 7569775), (2900, 6964193), (3335, 6055820), (6670, 3027910), (13340, 1513955), (16675, 1211164), (33350, 605582), (66700, 302791)]