20442303

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 35642880

約数和(自身を除く): 15200577

約数列:

[1, 3, 7, 9, 21, 29, 63, 67, 87, 167, 201, 203, 261, 469, 501, 603, 609, 1169, 1407, 1503, 1827, 1943, 3507, 4221, 4843, 5829, 10521, 11189, 13601, 14529, 17487, 33567, 33901, 40803, 43587, 78323, 100701, 101703, 122409, 234969, 305109, 324481, 704907, 973443, 2271367, 2920329, 6814101, 20442303]

約数ペア:

[(1, 20442303), (3, 6814101), (7, 2920329), (9, 2271367), (21, 973443), (29, 704907), (63, 324481), (67, 305109), (87, 234969), (167, 122409), (201, 101703), (203, 100701), (261, 78323), (469, 43587), (501, 40803), (603, 33901), (609, 33567), (1169, 17487), (1407, 14529), (1503, 13601), (1827, 11189), (1943, 10521), (3507, 5829), (4221, 4843)]