20218191831

素因数分解:

$3^2\times {\mathrm{401}}^1\times {\mathrm{659}}^1\times {\mathrm{8501}}^1$

素因数の和:9567

約数の個数: 24

約数和(自身を含む): 29324758320

約数和(自身を除く): 9106566489

約数列:

[1, 3, 9, 401, 659, 1203, 1977, 3609, 5931, 8501, 25503, 76509, 264259, 792777, 2378331, 3408901, 5602159, 10226703, 16806477, 30680109, 50419431, 2246465759, 6739397277, 20218191831]

約数ペア:

[(1, 20218191831), (3, 6739397277), (9, 2246465759), (401, 50419431), (659, 30680109), (1203, 16806477), (1977, 10226703), (3609, 5602159), (5931, 3408901), (8501, 2378331), (25503, 792777), (76509, 264259)]