20015748

素因数分解:

$2^2\times 3^4\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:558

約数の個数: 60

約数和(自身を含む): 52785040

約数和(自身を除く): 32769292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 163, 324, 326, 379, 489, 652, 758, 978, 1137, 1467, 1516, 1956, 2274, 2934, 3411, 4401, 4548, 5868, 6822, 8802, 10233, 13203, 13644, 17604, 20466, 26406, 30699, 40932, 52812, 61398, 61777, 122796, 123554, 185331, 247108, 370662, 555993, 741324, 1111986, 1667979, 2223972, 3335958, 5003937, 6671916, 10007874, 20015748]

約数ペア:

[(1, 20015748), (2, 10007874), (3, 6671916), (4, 5003937), (6, 3335958), (9, 2223972), (12, 1667979), (18, 1111986), (27, 741324), (36, 555993), (54, 370662), (81, 247108), (108, 185331), (162, 123554), (163, 122796), (324, 61777), (326, 61398), (379, 52812), (489, 40932), (652, 30699), (758, 26406), (978, 20466), (1137, 17604), (1467, 13644), (1516, 13203), (1956, 10233), (2274, 8802), (2934, 6822), (3411, 5868), (4401, 4548)]