20238075

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 144

約数和(自身を含む): 46309536

約数和(自身を除く): 26071461

約数列:

[1, 3, 5, 9, 11, 13, 15, 17, 25, 33, 37, 39, 45, 51, 55, 65, 75, 85, 99, 111, 117, 143, 153, 165, 185, 187, 195, 221, 225, 255, 275, 325, 333, 407, 425, 429, 481, 495, 555, 561, 585, 629, 663, 715, 765, 825, 925, 935, 975, 1105, 1221, 1275, 1287, 1443, 1665, 1683, 1887, 1989, 2035, 2145, 2405, 2431, 2475, 2775, 2805, 2925, 3145, 3315, 3575, 3663, 3825, 4329, 4675, 5291, 5525, 5661, 6105, 6435, 6919, 7215, 7293, 8177, 8325, 8415, 9435, 9945, 10175, 10725, 12025, 12155, 14025, 15725, 15873, 16575, 18315, 20757, 21645, 21879, 24531, 26455, 28305, 30525, 32175, 34595, 36075, 36465, 40885, 42075, 47175, 47619, 49725, 60775, 62271, 73593, 79365, 89947, 91575, 103785, 108225, 109395, 122655, 132275, 141525, 172975, 182325, 204425, 238095, 269841, 311355, 367965, 396825, 449735, 518925, 546975, 613275, 809523, 1190475, 1349205, 1556775, 1839825, 2248675, 4047615, 6746025, 20238075]

約数ペア:

[(1, 20238075), (3, 6746025), (5, 4047615), (9, 2248675), (11, 1839825), (13, 1556775), (15, 1349205), (17, 1190475), (25, 809523), (33, 613275), (37, 546975), (39, 518925), (45, 449735), (51, 396825), (55, 367965), (65, 311355), (75, 269841), (85, 238095), (99, 204425), (111, 182325), (117, 172975), (143, 141525), (153, 132275), (165, 122655), (185, 109395), (187, 108225), (195, 103785), (221, 91575), (225, 89947), (255, 79365), (275, 73593), (325, 62271), (333, 60775), (407, 49725), (425, 47619), (429, 47175), (481, 42075), (495, 40885), (555, 36465), (561, 36075), (585, 34595), (629, 32175), (663, 30525), (715, 28305), (765, 26455), (825, 24531), (925, 21879), (935, 21645), (975, 20757), (1105, 18315), (1221, 16575), (1275, 15873), (1287, 15725), (1443, 14025), (1665, 12155), (1683, 12025), (1887, 10725), (1989, 10175), (2035, 9945), (2145, 9435), (2405, 8415), (2431, 8325), (2475, 8177), (2775, 7293), (2805, 7215), (2925, 6919), (3145, 6435), (3315, 6105), (3575, 5661), (3663, 5525), (3825, 5291), (4329, 4675)]