20993595

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8693}}^1$

素因数の和:8731

約数の個数: 32

約数和(自身を含む): 40061952

約数和(自身を除く): 19068357

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8693, 26079, 43465, 60851, 130395, 182553, 199939, 304255, 599817, 912765, 999695, 1399573, 2999085, 4198719, 6997865, 20993595]

約数ペア:

[(1, 20993595), (3, 6997865), (5, 4198719), (7, 2999085), (15, 1399573), (21, 999695), (23, 912765), (35, 599817), (69, 304255), (105, 199939), (115, 182553), (161, 130395), (345, 60851), (483, 43465), (805, 26079), (2415, 8693)]