20247071043

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1049}}^1\times {\mathrm{1439}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 28740096000

約数和(自身を除く): 8493024957

約数列:

[1, 3, 17, 51, 263, 789, 1049, 1439, 3147, 4317, 4471, 13413, 17833, 24463, 53499, 73389, 275887, 378457, 827661, 1135371, 1509511, 4528533, 4690079, 6433769, 14070237, 19301307, 25661687, 76985061, 397001393, 1191004179, 6749023681, 20247071043]

約数ペア:

[(1, 20247071043), (3, 6749023681), (17, 1191004179), (51, 397001393), (263, 76985061), (789, 25661687), (1049, 19301307), (1439, 14070237), (3147, 6433769), (4317, 4690079), (4471, 4528533), (13413, 1509511), (17833, 1135371), (24463, 827661), (53499, 378457), (73389, 275887)]