20463248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:903

約数の個数: 40

約数和(自身を含む): 43080576

約数和(自身を除く): 22617328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 524, 751, 1048, 1502, 1703, 2096, 3004, 3406, 6008, 6812, 9763, 12016, 13624, 19526, 27248, 39052, 78104, 98381, 156208, 196762, 393524, 787048, 1278953, 1574096, 2557906, 5115812, 10231624, 20463248]

約数ペア:

[(1, 20463248), (2, 10231624), (4, 5115812), (8, 2557906), (13, 1574096), (16, 1278953), (26, 787048), (52, 393524), (104, 196762), (131, 156208), (208, 98381), (262, 78104), (524, 39052), (751, 27248), (1048, 19526), (1502, 13624), (1703, 12016), (2096, 9763), (3004, 6812), (3406, 6008)]