20249526520

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1\times {\mathrm{10477}}^1$

素因数の和:10928

約数の個数: 64

約数和(自身を含む): 45981655200

約数和(自身を除く): 25732128680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 229, 422, 458, 844, 916, 1055, 1145, 1688, 1832, 2110, 2290, 4220, 4580, 8440, 9160, 10477, 20954, 41908, 48319, 52385, 83816, 96638, 104770, 193276, 209540, 241595, 386552, 419080, 483190, 966380, 1932760, 2210647, 2399233, 4421294, 4798466, 8842588, 9596932, 11053235, 11996165, 17685176, 19193864, 22106470, 23992330, 44212940, 47984660, 88425880, 95969320, 506238163, 1012476326, 2024952652, 2531190815, 4049905304, 5062381630, 10124763260, 20249526520]

約数ペア:

[(1, 20249526520), (2, 10124763260), (4, 5062381630), (5, 4049905304), (8, 2531190815), (10, 2024952652), (20, 1012476326), (40, 506238163), (211, 95969320), (229, 88425880), (422, 47984660), (458, 44212940), (844, 23992330), (916, 22106470), (1055, 19193864), (1145, 17685176), (1688, 11996165), (1832, 11053235), (2110, 9596932), (2290, 8842588), (4220, 4798466), (4580, 4421294), (8440, 2399233), (9160, 2210647), (10477, 1932760), (20954, 966380), (41908, 483190), (48319, 419080), (52385, 386552), (83816, 241595), (96638, 209540), (104770, 193276)]