20680192

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:283

約数の個数: 60

約数和(自身を含む): 44930160

約数和(自身を除く): 24249968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 239, 256, 338, 416, 478, 512, 676, 832, 956, 1352, 1664, 1912, 2704, 3107, 3328, 3824, 5408, 6214, 6656, 7648, 10816, 12428, 15296, 21632, 24856, 30592, 40391, 43264, 49712, 61184, 80782, 86528, 99424, 122368, 161564, 198848, 323128, 397696, 646256, 795392, 1292512, 1590784, 2585024, 5170048, 10340096, 20680192]

約数ペア:

[(1, 20680192), (2, 10340096), (4, 5170048), (8, 2585024), (13, 1590784), (16, 1292512), (26, 795392), (32, 646256), (52, 397696), (64, 323128), (104, 198848), (128, 161564), (169, 122368), (208, 99424), (239, 86528), (256, 80782), (338, 61184), (416, 49712), (478, 43264), (512, 40391), (676, 30592), (832, 24856), (956, 21632), (1352, 15296), (1664, 12428), (1912, 10816), (2704, 7648), (3107, 6656), (3328, 6214), (3824, 5408)]