20512890832

素因数分解:

$2^4\times 7^1\times {\mathrm{2203}}^1\times {\mathrm{83137}}^1$

素因数の和:85355

約数の個数: 40

約数和(自身を含む): 45442565696

約数和(自身を除く): 24929674864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2203, 4406, 8812, 15421, 17624, 30842, 35248, 61684, 83137, 123368, 166274, 246736, 332548, 581959, 665096, 1163918, 1330192, 2327836, 4655672, 9311344, 183150811, 366301622, 732603244, 1282055677, 1465206488, 2564111354, 2930412976, 5128222708, 10256445416, 20512890832]

約数ペア:

[(1, 20512890832), (2, 10256445416), (4, 5128222708), (7, 2930412976), (8, 2564111354), (14, 1465206488), (16, 1282055677), (28, 732603244), (56, 366301622), (112, 183150811), (2203, 9311344), (4406, 4655672), (8812, 2327836), (15421, 1330192), (17624, 1163918), (30842, 665096), (35248, 581959), (61684, 332548), (83137, 246736), (123368, 166274)]