20276325

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 120

約数和(自身を含む): 43211520

約数和(自身を除く): 22935195

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 27, 31, 45, 51, 57, 75, 81, 85, 93, 95, 135, 153, 155, 171, 225, 255, 279, 285, 323, 405, 425, 459, 465, 475, 513, 527, 589, 675, 765, 775, 837, 855, 969, 1275, 1377, 1395, 1425, 1539, 1581, 1615, 1767, 2025, 2295, 2325, 2511, 2565, 2635, 2907, 2945, 3825, 4185, 4275, 4743, 4845, 5301, 6885, 6975, 7695, 7905, 8075, 8721, 8835, 10013, 11475, 12555, 12825, 13175, 14229, 14535, 14725, 15903, 20925, 23715, 24225, 26163, 26505, 30039, 34425, 38475, 39525, 42687, 43605, 44175, 47709, 50065, 62775, 71145, 72675, 79515, 90117, 118575, 130815, 132525, 150195, 213435, 218025, 238545, 250325, 270351, 355725, 397575, 450585, 654075, 750975, 811053, 1067175, 1192725, 1351755, 2252925, 4055265, 6758775, 20276325]

約数ペア:

[(1, 20276325), (3, 6758775), (5, 4055265), (9, 2252925), (15, 1351755), (17, 1192725), (19, 1067175), (25, 811053), (27, 750975), (31, 654075), (45, 450585), (51, 397575), (57, 355725), (75, 270351), (81, 250325), (85, 238545), (93, 218025), (95, 213435), (135, 150195), (153, 132525), (155, 130815), (171, 118575), (225, 90117), (255, 79515), (279, 72675), (285, 71145), (323, 62775), (405, 50065), (425, 47709), (459, 44175), (465, 43605), (475, 42687), (513, 39525), (527, 38475), (589, 34425), (675, 30039), (765, 26505), (775, 26163), (837, 24225), (855, 23715), (969, 20925), (1275, 15903), (1377, 14725), (1395, 14535), (1425, 14229), (1539, 13175), (1581, 12825), (1615, 12555), (1767, 11475), (2025, 10013), (2295, 8835), (2325, 8721), (2511, 8075), (2565, 7905), (2635, 7695), (2907, 6975), (2945, 6885), (3825, 5301), (4185, 4845), (4275, 4743)]