20541240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57059}}^1$

素因数の和:57076

約数の個数: 48

約数和(自身を含む): 66760200

約数和(自身を除く): 46218960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57059, 114118, 171177, 228236, 285295, 342354, 456472, 513531, 570590, 684708, 855885, 1027062, 1141180, 1369416, 1711770, 2054124, 2282360, 2567655, 3423540, 4108248, 5135310, 6847080, 10270620, 20541240]

約数ペア:

[(1, 20541240), (2, 10270620), (3, 6847080), (4, 5135310), (5, 4108248), (6, 3423540), (8, 2567655), (9, 2282360), (10, 2054124), (12, 1711770), (15, 1369416), (18, 1141180), (20, 1027062), (24, 855885), (30, 684708), (36, 570590), (40, 513531), (45, 456472), (60, 342354), (72, 285295), (90, 228236), (120, 171177), (180, 114118), (360, 57059)]