20794337720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1738657}}^1$

素因数の和:1738704

約数の個数: 64

約数和(自身を含む): 52577017920

約数和(自身を除く): 31782680200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 11960, 1738657, 3477314, 6954628, 8693285, 13909256, 17386570, 22602541, 34773140, 39989111, 45205082, 69546280, 79978222, 90410164, 113012705, 159956444, 180820328, 199945555, 226025410, 319912888, 399891110, 452050820, 519858443, 799782220, 904101640, 1039716886, 1599564440, 2079433772, 2599292215, 4158867544, 5198584430, 10397168860, 20794337720]

約数ペア:

[(1, 20794337720), (2, 10397168860), (4, 5198584430), (5, 4158867544), (8, 2599292215), (10, 2079433772), (13, 1599564440), (20, 1039716886), (23, 904101640), (26, 799782220), (40, 519858443), (46, 452050820), (52, 399891110), (65, 319912888), (92, 226025410), (104, 199945555), (115, 180820328), (130, 159956444), (184, 113012705), (230, 90410164), (260, 79978222), (299, 69546280), (460, 45205082), (520, 39989111), (598, 34773140), (920, 22602541), (1196, 17386570), (1495, 13909256), (2392, 8693285), (2990, 6954628), (5980, 3477314), (11960, 1738657)]