20784756670

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2357}}^1\times {\mathrm{8731}}^1$

素因数の和:11196

約数の個数: 32

約数和(自身を含む): 37803342816

約数和(自身を除く): 17018586146

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 2357, 4714, 8731, 11785, 17462, 23570, 43655, 87310, 238057, 476114, 881831, 1190285, 1763662, 2380570, 4409155, 8818310, 20578967, 41157934, 102894835, 205789670, 2078475667, 4156951334, 10392378335, 20784756670]

約数ペア:

[(1, 20784756670), (2, 10392378335), (5, 4156951334), (10, 2078475667), (101, 205789670), (202, 102894835), (505, 41157934), (1010, 20578967), (2357, 8818310), (4714, 4409155), (8731, 2380570), (11785, 1763662), (17462, 1190285), (23570, 881831), (43655, 476114), (87310, 238057)]