20259393

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 37116576

約数和(自身を除く): 16857183

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 67, 77, 119, 121, 147, 187, 201, 231, 357, 363, 469, 539, 561, 737, 833, 847, 1139, 1309, 1407, 1617, 2057, 2211, 2499, 2541, 3283, 3417, 3927, 5159, 5929, 6171, 7973, 8107, 9163, 9849, 12529, 14399, 15477, 17787, 23919, 24321, 27489, 36113, 37587, 43197, 55811, 56749, 87703, 100793, 108339, 137819, 167433, 170247, 263109, 302379, 397243, 413457, 613921, 964733, 1191729, 1841763, 2894199, 6753131, 20259393]

約数ペア:

[(1, 20259393), (3, 6753131), (7, 2894199), (11, 1841763), (17, 1191729), (21, 964733), (33, 613921), (49, 413457), (51, 397243), (67, 302379), (77, 263109), (119, 170247), (121, 167433), (147, 137819), (187, 108339), (201, 100793), (231, 87703), (357, 56749), (363, 55811), (469, 43197), (539, 37587), (561, 36113), (737, 27489), (833, 24321), (847, 23919), (1139, 17787), (1309, 15477), (1407, 14399), (1617, 12529), (2057, 9849), (2211, 9163), (2499, 8107), (2541, 7973), (3283, 6171), (3417, 5929), (3927, 5159)]