20719962

素因数分解:

$2^1\times 3^4\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1712

約数の個数: 40

約数和(自身を含む): 47044800

約数和(自身を除く): 26324838

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 81, 158, 162, 237, 474, 711, 1422, 1619, 2133, 3238, 4266, 4857, 6399, 9714, 12798, 14571, 29142, 43713, 87426, 127901, 131139, 255802, 262278, 383703, 767406, 1151109, 2302218, 3453327, 6906654, 10359981, 20719962]

約数ペア:

[(1, 20719962), (2, 10359981), (3, 6906654), (6, 3453327), (9, 2302218), (18, 1151109), (27, 767406), (54, 383703), (79, 262278), (81, 255802), (158, 131139), (162, 127901), (237, 87426), (474, 43713), (711, 29142), (1422, 14571), (1619, 12798), (2133, 9714), (3238, 6399), (4266, 4857)]