20992488

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 57784320

約数和(自身を除く): 36791832

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 131, 132, 262, 264, 393, 524, 607, 786, 1048, 1214, 1441, 1572, 1821, 2428, 2882, 3144, 3642, 4323, 4856, 5764, 6677, 7284, 8646, 11528, 13354, 14568, 17292, 20031, 26708, 34584, 40062, 53416, 79517, 80124, 159034, 160248, 238551, 318068, 477102, 636136, 874687, 954204, 1749374, 1908408, 2624061, 3498748, 5248122, 6997496, 10496244, 20992488]

約数ペア:

[(1, 20992488), (2, 10496244), (3, 6997496), (4, 5248122), (6, 3498748), (8, 2624061), (11, 1908408), (12, 1749374), (22, 954204), (24, 874687), (33, 636136), (44, 477102), (66, 318068), (88, 238551), (131, 160248), (132, 159034), (262, 80124), (264, 79517), (393, 53416), (524, 40062), (607, 34584), (786, 26708), (1048, 20031), (1214, 17292), (1441, 14568), (1572, 13354), (1821, 11528), (2428, 8646), (2882, 7284), (3144, 6677), (3642, 5764), (4323, 4856)]