20382705

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21569}}^1$

素因数の和:21590

約数の個数: 32

約数和(自身を含む): 41414400

約数和(自身を除く): 21031695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21569, 64707, 107845, 150983, 194121, 323535, 452949, 582363, 754915, 970605, 1358847, 2264745, 2911815, 4076541, 6794235, 20382705]

約数ペア:

[(1, 20382705), (3, 6794235), (5, 4076541), (7, 2911815), (9, 2264745), (15, 1358847), (21, 970605), (27, 754915), (35, 582363), (45, 452949), (63, 323535), (105, 194121), (135, 150983), (189, 107845), (315, 64707), (945, 21569)]