20701404

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^2\times {\mathrm{311}}^1$

素因数の和:407

約数の個数: 54

約数和(自身を含む): 53746056

約数和(自身を除く): 33044652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 311, 387, 516, 622, 774, 933, 1244, 1548, 1849, 1866, 2799, 3698, 3732, 5547, 5598, 7396, 11094, 11196, 13373, 16641, 22188, 26746, 33282, 40119, 53492, 66564, 80238, 120357, 160476, 240714, 481428, 575039, 1150078, 1725117, 2300156, 3450234, 5175351, 6900468, 10350702, 20701404]

約数ペア:

[(1, 20701404), (2, 10350702), (3, 6900468), (4, 5175351), (6, 3450234), (9, 2300156), (12, 1725117), (18, 1150078), (36, 575039), (43, 481428), (86, 240714), (129, 160476), (172, 120357), (258, 80238), (311, 66564), (387, 53492), (516, 40119), (622, 33282), (774, 26746), (933, 22188), (1244, 16641), (1548, 13373), (1849, 11196), (1866, 11094), (2799, 7396), (3698, 5598), (3732, 5547)]