20508738325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{15803}}^1$

素因数の和:15934

約数の個数: 48

約数和(自身を含む): 27702262656

約数和(自身を除く): 7193524331

約数列:

[1, 5, 23, 25, 37, 61, 115, 185, 305, 575, 851, 925, 1403, 1525, 2257, 4255, 7015, 11285, 15803, 21275, 35075, 51911, 56425, 79015, 259555, 363469, 395075, 584711, 963983, 1297775, 1817345, 2923555, 4819915, 9086725, 13448353, 14617775, 22171609, 24099575, 35667371, 67241765, 110858045, 178336855, 336208825, 554290225, 820349533, 891684275, 4101747665, 20508738325]

約数ペア:

[(1, 20508738325), (5, 4101747665), (23, 891684275), (25, 820349533), (37, 554290225), (61, 336208825), (115, 178336855), (185, 110858045), (305, 67241765), (575, 35667371), (851, 24099575), (925, 22171609), (1403, 14617775), (1525, 13448353), (2257, 9086725), (4255, 4819915), (7015, 2923555), (11285, 1817345), (15803, 1297775), (21275, 963983), (35075, 584711), (51911, 395075), (56425, 363469), (79015, 259555)]