20963072

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{6299}}^1$

素因数の和:6328

約数の個数: 36

約数和(自身を含む): 45070200

約数和(自身を除く): 24107128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 6299, 12598, 25196, 50392, 81887, 100784, 163774, 201568, 327548, 403136, 655096, 806272, 1310192, 1612544, 2620384, 5240768, 10481536, 20963072]

約数ペア:

[(1, 20963072), (2, 10481536), (4, 5240768), (8, 2620384), (13, 1612544), (16, 1310192), (26, 806272), (32, 655096), (52, 403136), (64, 327548), (104, 201568), (128, 163774), (208, 100784), (256, 81887), (416, 50392), (832, 25196), (1664, 12598), (3328, 6299)]