20937959968

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{125371}}^1$

素因数の和:125705

約数の個数: 48

約数和(自身を含む): 43788929184

約数和(自身を除く): 22850969216

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 307, 544, 614, 1228, 2456, 4912, 5219, 9824, 10438, 20876, 41752, 83504, 125371, 167008, 250742, 501484, 1002968, 2005936, 2131307, 4011872, 4262614, 8525228, 17050456, 34100912, 38488897, 68201824, 76977794, 153955588, 307911176, 615822352, 654311249, 1231644704, 1308622498, 2617244996, 5234489992, 10468979984, 20937959968]

約数ペア:

[(1, 20937959968), (2, 10468979984), (4, 5234489992), (8, 2617244996), (16, 1308622498), (17, 1231644704), (32, 654311249), (34, 615822352), (68, 307911176), (136, 153955588), (272, 76977794), (307, 68201824), (544, 38488897), (614, 34100912), (1228, 17050456), (2456, 8525228), (4912, 4262614), (5219, 4011872), (9824, 2131307), (10438, 2005936), (20876, 1002968), (41752, 501484), (83504, 250742), (125371, 167008)]