20534943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 32481792

約数和(自身を除く): 11946849

約数列:

[1, 3, 11, 13, 33, 39, 143, 151, 317, 429, 453, 951, 1661, 1963, 3487, 4121, 4983, 5889, 10461, 12363, 21593, 45331, 47867, 64779, 135993, 143601, 526537, 622271, 1579611, 1866813, 6844981, 20534943]

約数ペア:

[(1, 20534943), (3, 6844981), (11, 1866813), (13, 1579611), (33, 622271), (39, 526537), (143, 143601), (151, 135993), (317, 64779), (429, 47867), (453, 45331), (951, 21593), (1661, 12363), (1963, 10461), (3487, 5889), (4121, 4983)]