20102792

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{367}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 18846328

約数列:

[1, 2, 4, 8, 41, 82, 164, 167, 328, 334, 367, 668, 734, 1336, 1468, 2936, 6847, 13694, 15047, 27388, 30094, 54776, 60188, 61289, 120376, 122578, 245156, 490312, 2512849, 5025698, 10051396, 20102792]

約数ペア:

[(1, 20102792), (2, 10051396), (4, 5025698), (8, 2512849), (41, 490312), (82, 245156), (164, 122578), (167, 120376), (328, 61289), (334, 60188), (367, 54776), (668, 30094), (734, 27388), (1336, 15047), (1468, 13694), (2936, 6847)]