20512686915

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{133169}}^1$

素因数の和:133353

約数の個数: 64

約数和(自身を含む): 41932569600

約数和(自身を除く): 21419882685

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 163, 189, 315, 489, 815, 945, 1141, 1467, 2445, 3423, 4401, 5705, 7335, 10269, 17115, 22005, 30807, 51345, 133169, 154035, 399507, 665845, 932183, 1198521, 1997535, 2796549, 3595563, 4660915, 5992605, 8389647, 13982745, 17977815, 21706547, 25168941, 41948235, 65119641, 108532735, 125844705, 151945829, 195358923, 325598205, 455837487, 586076769, 759729145, 976794615, 1367512461, 2279187435, 2930383845, 4102537383, 6837562305, 20512686915]

約数ペア:

[(1, 20512686915), (3, 6837562305), (5, 4102537383), (7, 2930383845), (9, 2279187435), (15, 1367512461), (21, 976794615), (27, 759729145), (35, 586076769), (45, 455837487), (63, 325598205), (105, 195358923), (135, 151945829), (163, 125844705), (189, 108532735), (315, 65119641), (489, 41948235), (815, 25168941), (945, 21706547), (1141, 17977815), (1467, 13982745), (2445, 8389647), (3423, 5992605), (4401, 4660915), (5705, 3595563), (7335, 2796549), (10269, 1997535), (17115, 1198521), (22005, 932183), (30807, 665845), (51345, 399507), (133169, 154035)]