20767557616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{23869}}^1$

素因数の和:24026

約数の個数: 80

約数和(自身を含む): 44753385600

約数和(自身を除く): 23985827984

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 89, 94, 104, 178, 188, 208, 356, 376, 611, 712, 752, 1157, 1222, 1424, 2314, 2444, 4183, 4628, 4888, 8366, 9256, 9776, 16732, 18512, 23869, 33464, 47738, 54379, 66928, 95476, 108758, 190952, 217516, 310297, 381904, 435032, 620594, 870064, 1121843, 1241188, 2124341, 2243686, 2482376, 4248682, 4487372, 4964752, 8497364, 8974744, 14583959, 16994728, 17949488, 27616433, 29167918, 33989456, 55232866, 58335836, 99844027, 110465732, 116671672, 199688054, 220931464, 233343344, 399376108, 441862928, 798752216, 1297972351, 1597504432, 2595944702, 5191889404, 10383778808, 20767557616]

約数ペア:

[(1, 20767557616), (2, 10383778808), (4, 5191889404), (8, 2595944702), (13, 1597504432), (16, 1297972351), (26, 798752216), (47, 441862928), (52, 399376108), (89, 233343344), (94, 220931464), (104, 199688054), (178, 116671672), (188, 110465732), (208, 99844027), (356, 58335836), (376, 55232866), (611, 33989456), (712, 29167918), (752, 27616433), (1157, 17949488), (1222, 16994728), (1424, 14583959), (2314, 8974744), (2444, 8497364), (4183, 4964752), (4628, 4487372), (4888, 4248682), (8366, 2482376), (9256, 2243686), (9776, 2124341), (16732, 1241188), (18512, 1121843), (23869, 870064), (33464, 620594), (47738, 435032), (54379, 381904), (66928, 310297), (95476, 217516), (108758, 190952)]