20175403144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{4493}}^1\times {\mathrm{43177}}^1$

素因数の和:47689

約数の個数: 32

約数和(自身を含む): 40748805720

約数和(自身を除く): 20573402576

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 4493, 8986, 17972, 35944, 43177, 58409, 86354, 116818, 172708, 233636, 345416, 467272, 561301, 1122602, 2245204, 4490408, 193994261, 387988522, 775977044, 1551954088, 2521925393, 5043850786, 10087701572, 20175403144]

約数ペア:

[(1, 20175403144), (2, 10087701572), (4, 5043850786), (8, 2521925393), (13, 1551954088), (26, 775977044), (52, 387988522), (104, 193994261), (4493, 4490408), (8986, 2245204), (17972, 1122602), (35944, 561301), (43177, 467272), (58409, 345416), (86354, 233636), (116818, 172708)]