20153203720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{102259}}^1$

素因数の和:102662

約数の個数: 64

約数和(自身を含む): 48962088000

約数和(自身を除く): 28808884280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 379, 520, 758, 1516, 1895, 3032, 3790, 4927, 7580, 9854, 15160, 19708, 24635, 39416, 49270, 98540, 102259, 197080, 204518, 409036, 511295, 818072, 1022590, 1329367, 2045180, 2658734, 4090360, 5317468, 6646835, 10634936, 13293670, 26587340, 38756161, 53174680, 77512322, 155024644, 193780805, 310049288, 387561610, 503830093, 775123220, 1007660186, 1550246440, 2015320372, 2519150465, 4030640744, 5038300930, 10076601860, 20153203720]

約数ペア:

[(1, 20153203720), (2, 10076601860), (4, 5038300930), (5, 4030640744), (8, 2519150465), (10, 2015320372), (13, 1550246440), (20, 1007660186), (26, 775123220), (40, 503830093), (52, 387561610), (65, 310049288), (104, 193780805), (130, 155024644), (260, 77512322), (379, 53174680), (520, 38756161), (758, 26587340), (1516, 13293670), (1895, 10634936), (3032, 6646835), (3790, 5317468), (4927, 4090360), (7580, 2658734), (9854, 2045180), (15160, 1329367), (19708, 1022590), (24635, 818072), (39416, 511295), (49270, 409036), (98540, 204518), (102259, 197080)]