20921592

素因数分解:

$2^3\times 3^1\times {\mathrm{311}}^1\times {\mathrm{2803}}^1$

素因数の和:3123

約数の個数: 32

約数和(自身を含む): 52490880

約数和(自身を除く): 31569288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 311, 622, 933, 1244, 1866, 2488, 2803, 3732, 5606, 7464, 8409, 11212, 16818, 22424, 33636, 67272, 871733, 1743466, 2615199, 3486932, 5230398, 6973864, 10460796, 20921592]

約数ペア:

[(1, 20921592), (2, 10460796), (3, 6973864), (4, 5230398), (6, 3486932), (8, 2615199), (12, 1743466), (24, 871733), (311, 67272), (622, 33636), (933, 22424), (1244, 16818), (1866, 11212), (2488, 8409), (2803, 7464), (3732, 5606)]