20438936

素因数分解:

$2^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2039}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 23625064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 179, 358, 716, 1253, 1432, 2039, 2506, 4078, 5012, 8156, 10024, 14273, 16312, 28546, 57092, 114184, 364981, 729962, 1459924, 2554867, 2919848, 5109734, 10219468, 20438936]

約数ペア:

[(1, 20438936), (2, 10219468), (4, 5109734), (7, 2919848), (8, 2554867), (14, 1459924), (28, 729962), (56, 364981), (179, 114184), (358, 57092), (716, 28546), (1253, 16312), (1432, 14273), (2039, 10024), (2506, 8156), (4078, 5012)]