20798575605

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4163879}}^1$

素因数の和:4163930

約数の個数: 32

約数和(自身を含む): 37974585600

約数和(自身を除く): 17176009995

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4995, 4163879, 12491637, 20819395, 37474911, 62458185, 112424733, 154063523, 187374555, 462190569, 562123665, 770317615, 1386571707, 2310952845, 4159715121, 6932858535, 20798575605]

約数ペア:

[(1, 20798575605), (3, 6932858535), (5, 4159715121), (9, 2310952845), (15, 1386571707), (27, 770317615), (37, 562123665), (45, 462190569), (111, 187374555), (135, 154063523), (185, 112424733), (333, 62458185), (555, 37474911), (999, 20819395), (1665, 12491637), (4995, 4163879)]