20948536

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4507}}^1$

素因数の和:4603

約数の個数: 32

約数和(自身を含む): 45440640

約数和(自身を除く): 24492104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4507, 4648, 9014, 18028, 31549, 36056, 63098, 126196, 252392, 374081, 748162, 1496324, 2618567, 2992648, 5237134, 10474268, 20948536]

約数ペア:

[(1, 20948536), (2, 10474268), (4, 5237134), (7, 2992648), (8, 2618567), (14, 1496324), (28, 748162), (56, 374081), (83, 252392), (166, 126196), (332, 63098), (581, 36056), (664, 31549), (1162, 18028), (2324, 9014), (4507, 4648)]