20403976310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{194899}}^1$

素因数の和:194973

約数の個数: 48

約数和(自身を含む): 40098726000

約数和(自身を除く): 19694749690

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 361, 551, 722, 1102, 1805, 2755, 3610, 5510, 10469, 20938, 52345, 104690, 194899, 389798, 974495, 1948990, 3703081, 5652071, 7406162, 11304142, 18515405, 28260355, 37030810, 56520710, 70358539, 107389349, 140717078, 214778698, 351792695, 536946745, 703585390, 1073893490, 2040397631, 4080795262, 10201988155, 20403976310]

約数ペア:

[(1, 20403976310), (2, 10201988155), (5, 4080795262), (10, 2040397631), (19, 1073893490), (29, 703585390), (38, 536946745), (58, 351792695), (95, 214778698), (145, 140717078), (190, 107389349), (290, 70358539), (361, 56520710), (551, 37030810), (722, 28260355), (1102, 18515405), (1805, 11304142), (2755, 7406162), (3610, 5652071), (5510, 3703081), (10469, 1948990), (20938, 974495), (52345, 389798), (104690, 194899)]