20678328

素因数分解:

$2^3\times 3^5\times {\mathrm{11}}^1\times {\mathrm{967}}^1$

素因数の和:999

約数の個数: 96

約数和(自身を含む): 63423360

約数和(自身を除く): 42745032

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 243, 264, 297, 324, 396, 486, 594, 648, 792, 891, 967, 972, 1188, 1782, 1934, 1944, 2376, 2673, 2901, 3564, 3868, 5346, 5802, 7128, 7736, 8703, 10637, 10692, 11604, 17406, 21274, 21384, 23208, 26109, 31911, 34812, 42548, 52218, 63822, 69624, 78327, 85096, 95733, 104436, 127644, 156654, 191466, 208872, 234981, 255288, 287199, 313308, 382932, 469962, 574398, 626616, 765864, 861597, 939924, 1148796, 1723194, 1879848, 2297592, 2584791, 3446388, 5169582, 6892776, 10339164, 20678328]

約数ペア:

[(1, 20678328), (2, 10339164), (3, 6892776), (4, 5169582), (6, 3446388), (8, 2584791), (9, 2297592), (11, 1879848), (12, 1723194), (18, 1148796), (22, 939924), (24, 861597), (27, 765864), (33, 626616), (36, 574398), (44, 469962), (54, 382932), (66, 313308), (72, 287199), (81, 255288), (88, 234981), (99, 208872), (108, 191466), (132, 156654), (162, 127644), (198, 104436), (216, 95733), (243, 85096), (264, 78327), (297, 69624), (324, 63822), (396, 52218), (486, 42548), (594, 34812), (648, 31911), (792, 26109), (891, 23208), (967, 21384), (972, 21274), (1188, 17406), (1782, 11604), (1934, 10692), (1944, 10637), (2376, 8703), (2673, 7736), (2901, 7128), (3564, 5802), (3868, 5346)]