2020095

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 4481568

約数和(自身を除く): 2461473

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 53, 55, 63, 77, 99, 105, 121, 159, 165, 231, 265, 315, 363, 371, 385, 477, 495, 583, 605, 693, 795, 847, 1089, 1113, 1155, 1749, 1815, 1855, 2385, 2541, 2915, 3339, 3465, 4081, 4235, 5247, 5445, 5565, 6413, 7623, 8745, 12243, 12705, 16695, 19239, 20405, 26235, 32065, 36729, 38115, 44891, 57717, 61215, 96195, 134673, 183645, 224455, 288585, 404019, 673365, 2020095]

約数ペア:

[(1, 2020095), (3, 673365), (5, 404019), (7, 288585), (9, 224455), (11, 183645), (15, 134673), (21, 96195), (33, 61215), (35, 57717), (45, 44891), (53, 38115), (55, 36729), (63, 32065), (77, 26235), (99, 20405), (105, 19239), (121, 16695), (159, 12705), (165, 12243), (231, 8745), (265, 7623), (315, 6413), (363, 5565), (371, 5445), (385, 5247), (477, 4235), (495, 4081), (583, 3465), (605, 3339), (693, 2915), (795, 2541), (847, 2385), (1089, 1855), (1113, 1815), (1155, 1749)]