20280669752

素因数分解:

$2^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{563}}^1\times {\mathrm{2273}}^1$

素因数の和:3132

約数の個数: 64

約数和(自身を含む): 43708826880

約数和(自身を除く): 23428157128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 283, 563, 566, 1126, 1132, 1981, 2252, 2264, 2273, 3941, 3962, 4504, 4546, 7882, 7924, 9092, 15764, 15848, 15911, 18184, 31528, 31822, 63644, 127288, 159329, 318658, 637316, 643259, 1115303, 1274632, 1279699, 1286518, 2230606, 2559398, 2573036, 4461212, 4502813, 5118796, 5146072, 8922424, 8957893, 9005626, 10237592, 17915786, 18011252, 35831572, 36022504, 71663144, 362154817, 724309634, 1448619268, 2535083719, 2897238536, 5070167438, 10140334876, 20280669752]

約数ペア:

[(1, 20280669752), (2, 10140334876), (4, 5070167438), (7, 2897238536), (8, 2535083719), (14, 1448619268), (28, 724309634), (56, 362154817), (283, 71663144), (563, 36022504), (566, 35831572), (1126, 18011252), (1132, 17915786), (1981, 10237592), (2252, 9005626), (2264, 8957893), (2273, 8922424), (3941, 5146072), (3962, 5118796), (4504, 4502813), (4546, 4461212), (7882, 2573036), (7924, 2559398), (9092, 2230606), (15764, 1286518), (15848, 1279699), (15911, 1274632), (18184, 1115303), (31528, 643259), (31822, 637316), (63644, 318658), (127288, 159329)]