20782170621

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{659}}^1\times {\mathrm{24851}}^1$

素因数の和:25566

約数の個数: 32

約数和(自身を含む): 31492454400

約数和(自身を除く): 10710283779

約数列:

[1, 3, 9, 27, 47, 141, 423, 659, 1269, 1977, 5931, 17793, 24851, 30973, 74553, 92919, 223659, 278757, 670977, 836271, 1167997, 3503991, 10511973, 16376809, 31535919, 49130427, 147391281, 442173843, 769710023, 2309130069, 6927390207, 20782170621]

約数ペア:

[(1, 20782170621), (3, 6927390207), (9, 2309130069), (27, 769710023), (47, 442173843), (141, 147391281), (423, 49130427), (659, 31535919), (1269, 16376809), (1977, 10511973), (5931, 3503991), (17793, 1167997), (24851, 836271), (30973, 670977), (74553, 278757), (92919, 223659)]