20800410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{881}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 50041152

約数和(自身を除く): 29240742

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 787, 881, 1574, 1762, 2361, 2643, 3935, 4405, 4722, 5286, 7870, 8810, 11805, 13215, 23610, 26430, 693347, 1386694, 2080041, 3466735, 4160082, 6933470, 10400205, 20800410]

約数ペア:

[(1, 20800410), (2, 10400205), (3, 6933470), (5, 4160082), (6, 3466735), (10, 2080041), (15, 1386694), (30, 693347), (787, 26430), (881, 23610), (1574, 13215), (1762, 11805), (2361, 8810), (2643, 7870), (3935, 5286), (4405, 4722)]