20124774

素因数分解:

$2^1\times 3^7\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 46759680

約数和(自身を除く): 26634906

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 107, 129, 162, 214, 243, 258, 321, 387, 486, 642, 729, 774, 963, 1161, 1458, 1926, 2187, 2322, 2889, 3483, 4374, 4601, 5778, 6966, 8667, 9202, 10449, 13803, 17334, 20898, 26001, 27606, 31347, 41409, 52002, 62694, 78003, 82818, 94041, 124227, 156006, 188082, 234009, 248454, 372681, 468018, 745362, 1118043, 2236086, 3354129, 6708258, 10062387, 20124774]

約数ペア:

[(1, 20124774), (2, 10062387), (3, 6708258), (6, 3354129), (9, 2236086), (18, 1118043), (27, 745362), (43, 468018), (54, 372681), (81, 248454), (86, 234009), (107, 188082), (129, 156006), (162, 124227), (214, 94041), (243, 82818), (258, 78003), (321, 62694), (387, 52002), (486, 41409), (642, 31347), (729, 27606), (774, 26001), (963, 20898), (1161, 17334), (1458, 13803), (1926, 10449), (2187, 9202), (2322, 8667), (2889, 6966), (3483, 5778), (4374, 4601)]