20672344

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 49685760

約数和(自身を除く): 29013416

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 88, 148, 154, 259, 296, 308, 407, 518, 616, 814, 907, 1036, 1628, 1814, 2072, 2849, 3256, 3628, 5698, 6349, 7256, 9977, 11396, 12698, 19954, 22792, 25396, 33559, 39908, 50792, 67118, 69839, 79816, 134236, 139678, 234913, 268472, 279356, 369149, 469826, 558712, 738298, 939652, 1476596, 1879304, 2584043, 2953192, 5168086, 10336172, 20672344]

約数ペア:

[(1, 20672344), (2, 10336172), (4, 5168086), (7, 2953192), (8, 2584043), (11, 1879304), (14, 1476596), (22, 939652), (28, 738298), (37, 558712), (44, 469826), (56, 369149), (74, 279356), (77, 268472), (88, 234913), (148, 139678), (154, 134236), (259, 79816), (296, 69839), (308, 67118), (407, 50792), (518, 39908), (616, 33559), (814, 25396), (907, 22792), (1036, 19954), (1628, 12698), (1814, 11396), (2072, 9977), (2849, 7256), (3256, 6349), (3628, 5698)]