20681316

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:793

約数の個数: 72

約数和(自身を含む): 56609280

約数和(自身を除く): 35927964

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 47, 51, 68, 94, 102, 141, 153, 188, 204, 282, 306, 423, 564, 612, 719, 799, 846, 1438, 1598, 1692, 2157, 2397, 2876, 3196, 4314, 4794, 6471, 7191, 8628, 9588, 12223, 12942, 14382, 24446, 25884, 28764, 33793, 36669, 48892, 67586, 73338, 101379, 110007, 135172, 146676, 202758, 220014, 304137, 405516, 440028, 574481, 608274, 1148962, 1216548, 1723443, 2297924, 3446886, 5170329, 6893772, 10340658, 20681316]

約数ペア:

[(1, 20681316), (2, 10340658), (3, 6893772), (4, 5170329), (6, 3446886), (9, 2297924), (12, 1723443), (17, 1216548), (18, 1148962), (34, 608274), (36, 574481), (47, 440028), (51, 405516), (68, 304137), (94, 220014), (102, 202758), (141, 146676), (153, 135172), (188, 110007), (204, 101379), (282, 73338), (306, 67586), (423, 48892), (564, 36669), (612, 33793), (719, 28764), (799, 25884), (846, 24446), (1438, 14382), (1598, 12942), (1692, 12223), (2157, 9588), (2397, 8628), (2876, 7191), (3196, 6471), (4314, 4794)]