20628392

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 40212480

約数和(自身を除く): 19584088

約数列:

[1, 2, 4, 8, 31, 62, 124, 223, 248, 373, 446, 746, 892, 1492, 1784, 2984, 6913, 11563, 13826, 23126, 27652, 46252, 55304, 83179, 92504, 166358, 332716, 665432, 2578549, 5157098, 10314196, 20628392]

約数ペア:

[(1, 20628392), (2, 10314196), (4, 5157098), (8, 2578549), (31, 665432), (62, 332716), (124, 166358), (223, 92504), (248, 83179), (373, 55304), (446, 46252), (746, 27652), (892, 23126), (1492, 13826), (1784, 11563), (2984, 6913)]