20677384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28403}}^1$

素因数の和:28429

約数の個数: 32

約数和(自身を含む): 47718720

約数和(自身を除く): 27041336

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28403, 56806, 113612, 198821, 227224, 369239, 397642, 738478, 795284, 1476956, 1590568, 2584673, 2953912, 5169346, 10338692, 20677384]

約数ペア:

[(1, 20677384), (2, 10338692), (4, 5169346), (7, 2953912), (8, 2584673), (13, 1590568), (14, 1476956), (26, 795284), (28, 738478), (52, 397642), (56, 369239), (91, 227224), (104, 198821), (182, 113612), (364, 56806), (728, 28403)]