20764016

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1097}}^1$

素因数の和:1138

約数の個数: 60

約数和(自身を含む): 49831632

約数和(自身を除く): 29067616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1097, 1183, 1352, 1456, 2194, 2366, 2704, 4388, 4732, 7679, 8776, 9464, 14261, 15358, 17552, 18928, 28522, 30716, 57044, 61432, 99827, 114088, 122864, 185393, 199654, 228176, 370786, 399308, 741572, 798616, 1297751, 1483144, 1597232, 2595502, 2966288, 5191004, 10382008, 20764016]

約数ペア:

[(1, 20764016), (2, 10382008), (4, 5191004), (7, 2966288), (8, 2595502), (13, 1597232), (14, 1483144), (16, 1297751), (26, 798616), (28, 741572), (52, 399308), (56, 370786), (91, 228176), (104, 199654), (112, 185393), (169, 122864), (182, 114088), (208, 99827), (338, 61432), (364, 57044), (676, 30716), (728, 28522), (1097, 18928), (1183, 17552), (1352, 15358), (1456, 14261), (2194, 9464), (2366, 8776), (2704, 7679), (4388, 4732)]