20631176

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 39967680

約数和(自身を除く): 19336504

約数列:

[1, 2, 4, 8, 61, 67, 122, 134, 244, 268, 488, 536, 631, 1262, 2524, 4087, 5048, 8174, 16348, 32696, 38491, 42277, 76982, 84554, 153964, 169108, 307928, 338216, 2578897, 5157794, 10315588, 20631176]

約数ペア:

[(1, 20631176), (2, 10315588), (4, 5157794), (8, 2578897), (61, 338216), (67, 307928), (122, 169108), (134, 153964), (244, 84554), (268, 76982), (488, 42277), (536, 38491), (631, 32696), (1262, 16348), (2524, 8174), (4087, 5048)]