20658834248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{376931}}^1$

素因数の和:376998

約数の個数: 64

約数和(自身を含む): 45593694720

約数和(自身を除く): 24934860472

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 403, 442, 527, 806, 884, 1054, 1612, 1768, 2108, 3224, 4216, 6851, 13702, 27404, 54808, 376931, 753862, 1507724, 3015448, 4900103, 6407827, 9800206, 11684861, 12815654, 19600412, 23369722, 25631308, 39200824, 46739444, 51262616, 83301751, 93478888, 151903193, 166603502, 198642637, 303806386, 333207004, 397285274, 607612772, 666414008, 794570548, 1215225544, 1589141096, 2582354281, 5164708562, 10329417124, 20658834248]

約数ペア:

[(1, 20658834248), (2, 10329417124), (4, 5164708562), (8, 2582354281), (13, 1589141096), (17, 1215225544), (26, 794570548), (31, 666414008), (34, 607612772), (52, 397285274), (62, 333207004), (68, 303806386), (104, 198642637), (124, 166603502), (136, 151903193), (221, 93478888), (248, 83301751), (403, 51262616), (442, 46739444), (527, 39200824), (806, 25631308), (884, 23369722), (1054, 19600412), (1612, 12815654), (1768, 11684861), (2108, 9800206), (3224, 6407827), (4216, 4900103), (6851, 3015448), (13702, 1507724), (27404, 753862), (54808, 376931)]