20156987124

素因数分解:

$2^2\times 3^2\times {\mathrm{191}}^1\times {\mathrm{461}}^1\times {\mathrm{6359}}^1$

素因数の和:7021

約数の個数: 72

約数和(自身を含む): 51338327040

約数和(自身を除く): 31181339916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 191, 382, 461, 573, 764, 922, 1146, 1383, 1719, 1844, 2292, 2766, 3438, 4149, 5532, 6359, 6876, 8298, 12718, 16596, 19077, 25436, 38154, 57231, 76308, 88051, 114462, 176102, 228924, 264153, 352204, 528306, 792459, 1056612, 1214569, 1584918, 2429138, 2931499, 3169836, 3643707, 4858276, 5862998, 7287414, 8794497, 10931121, 11725996, 14574828, 17588994, 21862242, 26383491, 35177988, 43724484, 52766982, 105533964, 559916309, 1119832618, 1679748927, 2239665236, 3359497854, 5039246781, 6718995708, 10078493562, 20156987124]

約数ペア:

[(1, 20156987124), (2, 10078493562), (3, 6718995708), (4, 5039246781), (6, 3359497854), (9, 2239665236), (12, 1679748927), (18, 1119832618), (36, 559916309), (191, 105533964), (382, 52766982), (461, 43724484), (573, 35177988), (764, 26383491), (922, 21862242), (1146, 17588994), (1383, 14574828), (1719, 11725996), (1844, 10931121), (2292, 8794497), (2766, 7287414), (3438, 5862998), (4149, 4858276), (5532, 3643707), (6359, 3169836), (6876, 2931499), (8298, 2429138), (12718, 1584918), (16596, 1214569), (19077, 1056612), (25436, 792459), (38154, 528306), (57231, 352204), (76308, 264153), (88051, 228924), (114462, 176102)]