20446530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 33017790

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 103, 130, 195, 206, 309, 390, 509, 515, 618, 1018, 1030, 1339, 1527, 1545, 2545, 2678, 3054, 3090, 4017, 5090, 6617, 6695, 7635, 8034, 13234, 13390, 15270, 19851, 20085, 33085, 39702, 40170, 52427, 66170, 99255, 104854, 157281, 198510, 262135, 314562, 524270, 681551, 786405, 1363102, 1572810, 2044653, 3407755, 4089306, 6815510, 10223265, 20446530]

約数ペア:

[(1, 20446530), (2, 10223265), (3, 6815510), (5, 4089306), (6, 3407755), (10, 2044653), (13, 1572810), (15, 1363102), (26, 786405), (30, 681551), (39, 524270), (65, 314562), (78, 262135), (103, 198510), (130, 157281), (195, 104854), (206, 99255), (309, 66170), (390, 52427), (509, 40170), (515, 39702), (618, 33085), (1018, 20085), (1030, 19851), (1339, 15270), (1527, 13390), (1545, 13234), (2545, 8034), (2678, 7635), (3054, 6695), (3090, 6617), (4017, 5090)]