20297865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2447}}^1$

素因数の和:2541

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 17303415

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 395, 553, 1185, 1659, 2447, 2765, 7341, 8295, 12235, 17129, 36705, 51387, 85645, 193313, 256935, 579939, 966565, 1353191, 2899695, 4059573, 6765955, 20297865]

約数ペア:

[(1, 20297865), (3, 6765955), (5, 4059573), (7, 2899695), (15, 1353191), (21, 966565), (35, 579939), (79, 256935), (105, 193313), (237, 85645), (395, 51387), (553, 36705), (1185, 17129), (1659, 12235), (2447, 8295), (2765, 7341)]