20104103908

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{275837}}^1$

素因数の和:276004

約数の個数: 48

約数和(自身を含む): 42633521280

約数和(自身を除く): 22529417372

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 137, 266, 274, 532, 548, 959, 1918, 2603, 3836, 5206, 10412, 18221, 36442, 72884, 275837, 551674, 1103348, 1930859, 3861718, 5240903, 7723436, 10481806, 20963612, 36686321, 37789669, 73372642, 75579338, 146745284, 151158676, 264527683, 529055366, 718003711, 1058110732, 1436007422, 2872014844, 5026025977, 10052051954, 20104103908]

約数ペア:

[(1, 20104103908), (2, 10052051954), (4, 5026025977), (7, 2872014844), (14, 1436007422), (19, 1058110732), (28, 718003711), (38, 529055366), (76, 264527683), (133, 151158676), (137, 146745284), (266, 75579338), (274, 73372642), (532, 37789669), (548, 36686321), (959, 20963612), (1918, 10481806), (2603, 7723436), (3836, 5240903), (5206, 3861718), (10412, 1930859), (18221, 1103348), (36442, 551674), (72884, 275837)]