20021694

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 52399872

約数和(自身を除く): 32378178

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 41, 42, 49, 66, 77, 82, 98, 123, 147, 151, 154, 231, 246, 287, 294, 302, 451, 453, 462, 539, 574, 861, 902, 906, 1057, 1078, 1353, 1617, 1661, 1722, 2009, 2114, 2706, 3157, 3171, 3234, 3322, 4018, 4983, 6027, 6191, 6314, 6342, 7399, 9471, 9966, 11627, 12054, 12382, 14798, 18573, 18942, 22099, 22197, 23254, 34881, 37146, 43337, 44198, 44394, 66297, 68101, 69762, 81389, 86674, 130011, 132594, 136202, 162778, 204303, 244167, 260022, 303359, 408606, 476707, 488334, 606718, 910077, 953414, 1430121, 1820154, 2860242, 3336949, 6673898, 10010847, 20021694]

約数ペア:

[(1, 20021694), (2, 10010847), (3, 6673898), (6, 3336949), (7, 2860242), (11, 1820154), (14, 1430121), (21, 953414), (22, 910077), (33, 606718), (41, 488334), (42, 476707), (49, 408606), (66, 303359), (77, 260022), (82, 244167), (98, 204303), (123, 162778), (147, 136202), (151, 132594), (154, 130011), (231, 86674), (246, 81389), (287, 69762), (294, 68101), (302, 66297), (451, 44394), (453, 44198), (462, 43337), (539, 37146), (574, 34881), (861, 23254), (902, 22197), (906, 22099), (1057, 18942), (1078, 18573), (1353, 14798), (1617, 12382), (1661, 12054), (1722, 11627), (2009, 9966), (2114, 9471), (2706, 7399), (3157, 6342), (3171, 6314), (3234, 6191), (3322, 6027), (4018, 4983)]