20438244

素因数分解:

$2^2\times 3^6\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 84

約数和(自身を含む): 55209616

約数和(自身を除く): 34771372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 163, 172, 243, 258, 324, 326, 387, 486, 489, 516, 652, 729, 774, 972, 978, 1161, 1458, 1467, 1548, 1956, 2322, 2916, 2934, 3483, 4401, 4644, 5868, 6966, 7009, 8802, 10449, 13203, 13932, 14018, 17604, 20898, 21027, 26406, 28036, 31347, 39609, 41796, 42054, 52812, 62694, 63081, 79218, 84108, 118827, 125388, 126162, 158436, 189243, 237654, 252324, 378486, 475308, 567729, 756972, 1135458, 1703187, 2270916, 3406374, 5109561, 6812748, 10219122, 20438244]

約数ペア:

[(1, 20438244), (2, 10219122), (3, 6812748), (4, 5109561), (6, 3406374), (9, 2270916), (12, 1703187), (18, 1135458), (27, 756972), (36, 567729), (43, 475308), (54, 378486), (81, 252324), (86, 237654), (108, 189243), (129, 158436), (162, 126162), (163, 125388), (172, 118827), (243, 84108), (258, 79218), (324, 63081), (326, 62694), (387, 52812), (486, 42054), (489, 41796), (516, 39609), (652, 31347), (729, 28036), (774, 26406), (972, 21027), (978, 20898), (1161, 17604), (1458, 14018), (1467, 13932), (1548, 13203), (1956, 10449), (2322, 8802), (2916, 7009), (2934, 6966), (3483, 5868), (4401, 4644)]