20453526

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 48427200

約数和(自身を除く): 27973674

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 37, 54, 58, 74, 87, 111, 174, 222, 261, 333, 353, 522, 666, 706, 783, 999, 1059, 1073, 1566, 1998, 2118, 2146, 3177, 3219, 6354, 6438, 9531, 9657, 10237, 13061, 19062, 19314, 20474, 26122, 28971, 30711, 39183, 57942, 61422, 78366, 92133, 117549, 184266, 235098, 276399, 352647, 378769, 552798, 705294, 757538, 1136307, 2272614, 3408921, 6817842, 10226763, 20453526]

約数ペア:

[(1, 20453526), (2, 10226763), (3, 6817842), (6, 3408921), (9, 2272614), (18, 1136307), (27, 757538), (29, 705294), (37, 552798), (54, 378769), (58, 352647), (74, 276399), (87, 235098), (111, 184266), (174, 117549), (222, 92133), (261, 78366), (333, 61422), (353, 57942), (522, 39183), (666, 30711), (706, 28971), (783, 26122), (999, 20474), (1059, 19314), (1073, 19062), (1566, 13061), (1998, 10237), (2118, 9657), (2146, 9531), (3177, 6438), (3219, 6354)]