20339488

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3761}}^1$

素因数の和:3797

約数の個数: 36

約数和(自身を含む): 43372098

約数和(自身を除く): 23032610

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 3761, 5408, 7522, 15044, 30088, 48893, 60176, 97786, 120352, 195572, 391144, 635609, 782288, 1271218, 1564576, 2542436, 5084872, 10169744, 20339488]

約数ペア:

[(1, 20339488), (2, 10169744), (4, 5084872), (8, 2542436), (13, 1564576), (16, 1271218), (26, 782288), (32, 635609), (52, 391144), (104, 195572), (169, 120352), (208, 97786), (338, 60176), (416, 48893), (676, 30088), (1352, 15044), (2704, 7522), (3761, 5408)]