20720610

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8527}}^1$

素因数の和:8549

約数の個数: 48

約数和(自身を含む): 55875456

約数和(自身を除く): 35154846

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8527, 17054, 25581, 42635, 51162, 76743, 85270, 127905, 153486, 230229, 255810, 383715, 460458, 690687, 767430, 1151145, 1381374, 2072061, 2302290, 3453435, 4144122, 6906870, 10360305, 20720610]

約数ペア:

[(1, 20720610), (2, 10360305), (3, 6906870), (5, 4144122), (6, 3453435), (9, 2302290), (10, 2072061), (15, 1381374), (18, 1151145), (27, 767430), (30, 690687), (45, 460458), (54, 383715), (81, 255810), (90, 230229), (135, 153486), (162, 127905), (243, 85270), (270, 76743), (405, 51162), (486, 42635), (810, 25581), (1215, 17054), (2430, 8527)]