20176675456

素因数分解:

$2^7\times 7^1\times {\mathrm{2273}}^1\times {\mathrm{9907}}^1$

素因数の和:12201

約数の個数: 64

約数和(自身を含む): 45962815680

約数和(自身を除く): 25786140224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 2273, 4546, 9092, 9907, 15911, 18184, 19814, 31822, 36368, 39628, 63644, 69349, 72736, 79256, 127288, 138698, 145472, 158512, 254576, 277396, 290944, 317024, 509152, 554792, 634048, 1018304, 1109584, 1268096, 2036608, 2219168, 4438336, 8876672, 22518611, 45037222, 90074444, 157630277, 180148888, 315260554, 360297776, 630521108, 720595552, 1261042216, 1441191104, 2522084432, 2882382208, 5044168864, 10088337728, 20176675456]

約数ペア:

[(1, 20176675456), (2, 10088337728), (4, 5044168864), (7, 2882382208), (8, 2522084432), (14, 1441191104), (16, 1261042216), (28, 720595552), (32, 630521108), (56, 360297776), (64, 315260554), (112, 180148888), (128, 157630277), (224, 90074444), (448, 45037222), (896, 22518611), (2273, 8876672), (4546, 4438336), (9092, 2219168), (9907, 2036608), (15911, 1268096), (18184, 1109584), (19814, 1018304), (31822, 634048), (36368, 554792), (39628, 509152), (63644, 317024), (69349, 290944), (72736, 277396), (79256, 254576), (127288, 158512), (138698, 145472)]