20175293704

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{1259}}^1\times {\mathrm{12289}}^1$

素因数の和:13717

約数の個数: 32

約数和(自身を含む): 38094084000

約数和(自身を除く): 17918790296

約数列:

[1, 2, 4, 8, 163, 326, 652, 1259, 1304, 2518, 5036, 10072, 12289, 24578, 49156, 98312, 205217, 410434, 820868, 1641736, 2003107, 4006214, 8012428, 15471851, 16024856, 30943702, 61887404, 123774808, 2521911713, 5043823426, 10087646852, 20175293704]

約数ペア:

[(1, 20175293704), (2, 10087646852), (4, 5043823426), (8, 2521911713), (163, 123774808), (326, 61887404), (652, 30943702), (1259, 16024856), (1304, 15471851), (2518, 8012428), (5036, 4006214), (10072, 2003107), (12289, 1641736), (24578, 820868), (49156, 410434), (98312, 205217)]