20363824

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:494

約数の個数: 60

約数和(自身を含む): 45338616

約数和(自身を除く): 24974792

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 442, 443, 676, 884, 886, 1352, 1768, 1772, 2704, 2873, 3536, 3544, 5746, 5759, 7088, 7531, 11492, 11518, 15062, 22984, 23036, 30124, 45968, 46072, 60248, 74867, 92144, 97903, 120496, 149734, 195806, 299468, 391612, 598936, 783224, 1197872, 1272739, 1566448, 2545478, 5090956, 10181912, 20363824]

約数ペア:

[(1, 20363824), (2, 10181912), (4, 5090956), (8, 2545478), (13, 1566448), (16, 1272739), (17, 1197872), (26, 783224), (34, 598936), (52, 391612), (68, 299468), (104, 195806), (136, 149734), (169, 120496), (208, 97903), (221, 92144), (272, 74867), (338, 60248), (442, 46072), (443, 45968), (676, 30124), (884, 23036), (886, 22984), (1352, 15062), (1768, 11518), (1772, 11492), (2704, 7531), (2873, 7088), (3536, 5759), (3544, 5746)]