20949990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1223}}^1$

素因数の和:1804

約数の個数: 32

約数和(自身を含む): 50409216

約数和(自身を除く): 29459226

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 571, 1142, 1223, 1713, 2446, 2855, 3426, 3669, 5710, 6115, 7338, 8565, 12230, 17130, 18345, 36690, 698333, 1396666, 2094999, 3491665, 4189998, 6983330, 10474995, 20949990]

約数ペア:

[(1, 20949990), (2, 10474995), (3, 6983330), (5, 4189998), (6, 3491665), (10, 2094999), (15, 1396666), (30, 698333), (571, 36690), (1142, 18345), (1223, 17130), (1713, 12230), (2446, 8565), (2855, 7338), (3426, 6115), (3669, 5710)]