20180457784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{32749}}^1$

素因数の和:32992

約数の個数: 64

約数和(自身を含む): 42019560000

約数和(自身を除く): 21839102216

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 197, 391, 394, 782, 788, 1564, 1576, 3128, 3349, 4531, 6698, 9062, 13396, 18124, 26792, 32749, 36248, 65498, 77027, 130996, 154054, 261992, 308108, 556733, 616216, 753227, 1113466, 1506454, 2226932, 3012908, 4453864, 6025816, 6451553, 12804859, 12903106, 25609718, 25806212, 51219436, 51612424, 102438872, 109676401, 148385719, 219352802, 296771438, 438705604, 593542876, 877411208, 1187085752, 2522557223, 5045114446, 10090228892, 20180457784]

約数ペア:

[(1, 20180457784), (2, 10090228892), (4, 5045114446), (8, 2522557223), (17, 1187085752), (23, 877411208), (34, 593542876), (46, 438705604), (68, 296771438), (92, 219352802), (136, 148385719), (184, 109676401), (197, 102438872), (391, 51612424), (394, 51219436), (782, 25806212), (788, 25609718), (1564, 12903106), (1576, 12804859), (3128, 6451553), (3349, 6025816), (4531, 4453864), (6698, 3012908), (9062, 2226932), (13396, 1506454), (18124, 1113466), (26792, 753227), (32749, 616216), (36248, 556733), (65498, 308108), (77027, 261992), (130996, 154054)]