20440836

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 120

約数和(自身を含む): 60333504

約数和(自身を除く): 39892668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 81, 92, 108, 117, 138, 156, 162, 207, 211, 234, 276, 299, 324, 351, 414, 422, 468, 598, 621, 633, 702, 828, 844, 897, 1053, 1196, 1242, 1266, 1404, 1794, 1863, 1899, 2106, 2484, 2532, 2691, 2743, 3588, 3726, 3798, 4212, 4853, 5382, 5486, 5697, 7452, 7596, 8073, 8229, 9706, 10764, 10972, 11394, 14559, 16146, 16458, 17091, 19412, 22788, 24219, 24687, 29118, 32292, 32916, 34182, 43677, 48438, 49374, 58236, 63089, 68364, 74061, 87354, 96876, 98748, 126178, 131031, 148122, 174708, 189267, 222183, 252356, 262062, 296244, 378534, 393093, 444366, 524124, 567801, 757068, 786186, 888732, 1135602, 1572372, 1703403, 2271204, 3406806, 5110209, 6813612, 10220418, 20440836]

約数ペア:

[(1, 20440836), (2, 10220418), (3, 6813612), (4, 5110209), (6, 3406806), (9, 2271204), (12, 1703403), (13, 1572372), (18, 1135602), (23, 888732), (26, 786186), (27, 757068), (36, 567801), (39, 524124), (46, 444366), (52, 393093), (54, 378534), (69, 296244), (78, 262062), (81, 252356), (92, 222183), (108, 189267), (117, 174708), (138, 148122), (156, 131031), (162, 126178), (207, 98748), (211, 96876), (234, 87354), (276, 74061), (299, 68364), (324, 63089), (351, 58236), (414, 49374), (422, 48438), (468, 43677), (598, 34182), (621, 32916), (633, 32292), (702, 29118), (828, 24687), (844, 24219), (897, 22788), (1053, 19412), (1196, 17091), (1242, 16458), (1266, 16146), (1404, 14559), (1794, 11394), (1863, 10972), (1899, 10764), (2106, 9706), (2484, 8229), (2532, 8073), (2691, 7596), (2743, 7452), (3588, 5697), (3726, 5486), (3798, 5382), (4212, 4853)]