20387952

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10891}}^1$

素因数の和:10918

約数の個数: 60

約数和(自身を含む): 61452664

約数和(自身を除く): 41064712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 10891, 21782, 32673, 43564, 65346, 87128, 98019, 130692, 141583, 174256, 196038, 261384, 283166, 392076, 424749, 522768, 566332, 784152, 849498, 1132664, 1274247, 1568304, 1698996, 2265328, 2548494, 3397992, 5096988, 6795984, 10193976, 20387952]

約数ペア:

[(1, 20387952), (2, 10193976), (3, 6795984), (4, 5096988), (6, 3397992), (8, 2548494), (9, 2265328), (12, 1698996), (13, 1568304), (16, 1274247), (18, 1132664), (24, 849498), (26, 784152), (36, 566332), (39, 522768), (48, 424749), (52, 392076), (72, 283166), (78, 261384), (104, 196038), (117, 174256), (144, 141583), (156, 130692), (208, 98019), (234, 87128), (312, 65346), (468, 43564), (624, 32673), (936, 21782), (1872, 10891)]