20298999604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{593}}^1\times {\mathrm{2503}}^1$

素因数の和:3376

約数の個数: 48

約数和(自身を含む): 38481391872

約数和(自身を除く): 18182392268

約数列:

[1, 2, 4, 13, 26, 52, 263, 526, 593, 1052, 1186, 2372, 2503, 3419, 5006, 6838, 7709, 10012, 13676, 15418, 30836, 32539, 65078, 130156, 155959, 311918, 623836, 658289, 1316578, 1484279, 2027467, 2633156, 2968558, 4054934, 5937116, 8109868, 8557757, 17115514, 19295627, 34231028, 38591254, 77182508, 390365377, 780730754, 1561461508, 5074749901, 10149499802, 20298999604]

約数ペア:

[(1, 20298999604), (2, 10149499802), (4, 5074749901), (13, 1561461508), (26, 780730754), (52, 390365377), (263, 77182508), (526, 38591254), (593, 34231028), (1052, 19295627), (1186, 17115514), (2372, 8557757), (2503, 8109868), (3419, 5937116), (5006, 4054934), (6838, 2968558), (7709, 2633156), (10012, 2027467), (13676, 1484279), (15418, 1316578), (30836, 658289), (32539, 623836), (65078, 311918), (130156, 155959)]