20749610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{643}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 42844032

約数和(自身を除く): 22094422

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 461, 643, 922, 1286, 2305, 3215, 3227, 4501, 4610, 6430, 6454, 9002, 16135, 22505, 32270, 45010, 296423, 592846, 1482115, 2074961, 2964230, 4149922, 10374805, 20749610]

約数ペア:

[(1, 20749610), (2, 10374805), (5, 4149922), (7, 2964230), (10, 2074961), (14, 1482115), (35, 592846), (70, 296423), (461, 45010), (643, 32270), (922, 22505), (1286, 16135), (2305, 9002), (3215, 6454), (3227, 6430), (4501, 4610)]