20596730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1163}}^1$

素因数の和:1211

約数の個数: 64

約数和(自身を含む): 48273408

約数和(自身を除く): 27676678

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1163, 1265, 1610, 1771, 2326, 2530, 3542, 5815, 8141, 8855, 11630, 12793, 16282, 17710, 25586, 26749, 40705, 53498, 63965, 81410, 89551, 127930, 133745, 179102, 187243, 267490, 294239, 374486, 447755, 588478, 895510, 936215, 1471195, 1872430, 2059673, 2942390, 4119346, 10298365, 20596730]

約数ペア:

[(1, 20596730), (2, 10298365), (5, 4119346), (7, 2942390), (10, 2059673), (11, 1872430), (14, 1471195), (22, 936215), (23, 895510), (35, 588478), (46, 447755), (55, 374486), (70, 294239), (77, 267490), (110, 187243), (115, 179102), (154, 133745), (161, 127930), (230, 89551), (253, 81410), (322, 63965), (385, 53498), (506, 40705), (770, 26749), (805, 25586), (1163, 17710), (1265, 16282), (1610, 12793), (1771, 11630), (2326, 8855), (2530, 8141), (3542, 5815)]