20917548

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11393}}^1$

素因数の和:11423

約数の個数: 48

約数和(自身を含む): 57425760

約数和(自身を除く): 36508212

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 11393, 22786, 34179, 45572, 68358, 102537, 136716, 193681, 205074, 307611, 387362, 410148, 581043, 615222, 774724, 1162086, 1230444, 1743129, 2324172, 3486258, 5229387, 6972516, 10458774, 20917548]

約数ペア:

[(1, 20917548), (2, 10458774), (3, 6972516), (4, 5229387), (6, 3486258), (9, 2324172), (12, 1743129), (17, 1230444), (18, 1162086), (27, 774724), (34, 615222), (36, 581043), (51, 410148), (54, 387362), (68, 307611), (102, 205074), (108, 193681), (153, 136716), (204, 102537), (306, 68358), (459, 45572), (612, 34179), (918, 22786), (1836, 11393)]