20187008

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{6857}}^1$

素因数の和:6894

約数の個数: 32

約数和(自身を含む): 41970960

約数和(自身を除く): 21783952

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 6857, 13714, 27428, 54856, 109712, 157711, 219424, 315422, 438848, 630844, 877696, 1261688, 2523376, 5046752, 10093504, 20187008]

約数ペア:

[(1, 20187008), (2, 10093504), (4, 5046752), (8, 2523376), (16, 1261688), (23, 877696), (32, 630844), (46, 438848), (64, 315422), (92, 219424), (128, 157711), (184, 109712), (368, 54856), (736, 27428), (1472, 13714), (2944, 6857)]