20213406

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{38723}}^1$

素因数の和:38760

約数の個数: 24

約数和(自身を含む): 45307080

約数和(自身を除く): 25093674

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 38723, 77446, 116169, 232338, 348507, 697014, 1122967, 2245934, 3368901, 6737802, 10106703, 20213406]

約数ペア:

[(1, 20213406), (2, 10106703), (3, 6737802), (6, 3368901), (9, 2245934), (18, 1122967), (29, 697014), (58, 348507), (87, 232338), (174, 116169), (261, 77446), (522, 38723)]