20216286525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{5273}}^1$

素因数の和:5431

約数の個数: 96

約数和(自身を含む): 36915637248

約数和(自身を除く): 16699350723

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 97, 155, 255, 291, 425, 465, 485, 527, 775, 1275, 1455, 1581, 1649, 2325, 2425, 2635, 3007, 4947, 5273, 7275, 7905, 8245, 9021, 13175, 15035, 15819, 24735, 26365, 39525, 41225, 45105, 51119, 75175, 79095, 89641, 123675, 131825, 153357, 163463, 225525, 255595, 268923, 395475, 448205, 490389, 511481, 766785, 817315, 1277975, 1344615, 1534443, 2241025, 2451945, 2557405, 2778871, 3833925, 4086575, 6723075, 7672215, 8336613, 8695177, 12259725, 12787025, 13894355, 15855911, 26085531, 38361075, 41683065, 43475885, 47567733, 69471775, 79279555, 130427655, 208415325, 217379425, 237838665, 269550487, 396397775, 652138275, 808651461, 1189193325, 1347752435, 4043257305, 6738762175, 20216286525]

約数ペア:

[(1, 20216286525), (3, 6738762175), (5, 4043257305), (15, 1347752435), (17, 1189193325), (25, 808651461), (31, 652138275), (51, 396397775), (75, 269550487), (85, 237838665), (93, 217379425), (97, 208415325), (155, 130427655), (255, 79279555), (291, 69471775), (425, 47567733), (465, 43475885), (485, 41683065), (527, 38361075), (775, 26085531), (1275, 15855911), (1455, 13894355), (1581, 12787025), (1649, 12259725), (2325, 8695177), (2425, 8336613), (2635, 7672215), (3007, 6723075), (4947, 4086575), (5273, 3833925), (7275, 2778871), (7905, 2557405), (8245, 2451945), (9021, 2241025), (13175, 1534443), (15035, 1344615), (15819, 1277975), (24735, 817315), (26365, 766785), (39525, 511481), (41225, 490389), (45105, 448205), (51119, 395475), (75175, 268923), (79095, 255595), (89641, 225525), (123675, 163463), (131825, 153357)]