20758792

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3331}}^1$

素因数の和:3397

約数の個数: 32

約数和(自身を含む): 41983200

約数和(自身を除く): 21224408

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 3331, 6232, 6662, 13324, 26648, 63289, 126578, 136571, 253156, 273142, 506312, 546284, 1092568, 2594849, 5189698, 10379396, 20758792]

約数ペア:

[(1, 20758792), (2, 10379396), (4, 5189698), (8, 2594849), (19, 1092568), (38, 546284), (41, 506312), (76, 273142), (82, 253156), (152, 136571), (164, 126578), (328, 63289), (779, 26648), (1558, 13324), (3116, 6662), (3331, 6232)]