20547198

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 51139296

約数和(自身を除く): 30592098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 313, 521, 626, 939, 1042, 1563, 1878, 2191, 2817, 3126, 3647, 4382, 4689, 5634, 6573, 7294, 9378, 10941, 13146, 19719, 21882, 32823, 39438, 65646, 163073, 326146, 489219, 978438, 1141511, 1467657, 2283022, 2935314, 3424533, 6849066, 10273599, 20547198]

約数ペア:

[(1, 20547198), (2, 10273599), (3, 6849066), (6, 3424533), (7, 2935314), (9, 2283022), (14, 1467657), (18, 1141511), (21, 978438), (42, 489219), (63, 326146), (126, 163073), (313, 65646), (521, 39438), (626, 32823), (939, 21882), (1042, 19719), (1563, 13146), (1878, 10941), (2191, 9378), (2817, 7294), (3126, 6573), (3647, 5634), (4382, 4689)]