20025486

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 72

約数和(自身を含む): 48817080

約数和(自身を除く): 28791594

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 78, 87, 117, 169, 174, 227, 234, 261, 338, 377, 454, 507, 522, 681, 754, 1014, 1131, 1362, 1521, 2043, 2262, 2951, 3042, 3393, 4086, 4901, 5902, 6583, 6786, 8853, 9802, 13166, 14703, 17706, 19749, 26559, 29406, 38363, 39498, 44109, 53118, 59247, 76726, 85579, 88218, 115089, 118494, 171158, 230178, 256737, 345267, 513474, 690534, 770211, 1112527, 1540422, 2225054, 3337581, 6675162, 10012743, 20025486]

約数ペア:

[(1, 20025486), (2, 10012743), (3, 6675162), (6, 3337581), (9, 2225054), (13, 1540422), (18, 1112527), (26, 770211), (29, 690534), (39, 513474), (58, 345267), (78, 256737), (87, 230178), (117, 171158), (169, 118494), (174, 115089), (227, 88218), (234, 85579), (261, 76726), (338, 59247), (377, 53118), (454, 44109), (507, 39498), (522, 38363), (681, 29406), (754, 26559), (1014, 19749), (1131, 17706), (1362, 14703), (1521, 13166), (2043, 9802), (2262, 8853), (2951, 6786), (3042, 6583), (3393, 5902), (4086, 4901)]