20175954232

素因数分解:

$2^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{386987}}^1$

素因数の和:387033

約数の個数: 64

約数和(自身を含む): 46438560000

約数和(自身を除く): 26262605768

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 343, 392, 532, 686, 931, 1064, 1372, 1862, 2744, 3724, 6517, 7448, 13034, 26068, 52136, 386987, 773974, 1547948, 2708909, 3095896, 5417818, 7352753, 10835636, 14705506, 18962363, 21671272, 29411012, 37924726, 51469271, 58822024, 75849452, 102938542, 132736541, 151698904, 205877084, 265473082, 360284897, 411754168, 530946164, 720569794, 1061892328, 1441139588, 2521994279, 2882279176, 5043988558, 10087977116, 20175954232]

約数ペア:

[(1, 20175954232), (2, 10087977116), (4, 5043988558), (7, 2882279176), (8, 2521994279), (14, 1441139588), (19, 1061892328), (28, 720569794), (38, 530946164), (49, 411754168), (56, 360284897), (76, 265473082), (98, 205877084), (133, 151698904), (152, 132736541), (196, 102938542), (266, 75849452), (343, 58822024), (392, 51469271), (532, 37924726), (686, 29411012), (931, 21671272), (1064, 18962363), (1372, 14705506), (1862, 10835636), (2744, 7352753), (3724, 5417818), (6517, 3095896), (7448, 2708909), (13034, 1547948), (26068, 773974), (52136, 386987)]