20807763705

素因数分解:

$3^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{351097}}^1$

素因数の和:351550

約数の個数: 32

約数和(自身を含む): 37075948800

約数和(自身を除く): 16268185095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 439, 1317, 2195, 3951, 6585, 11853, 19755, 59265, 351097, 1053291, 1755485, 3159873, 5266455, 9479619, 15799365, 47398095, 154131583, 462394749, 770657915, 1387184247, 2311973745, 4161552741, 6935921235, 20807763705]

約数ペア:

[(1, 20807763705), (3, 6935921235), (5, 4161552741), (9, 2311973745), (15, 1387184247), (27, 770657915), (45, 462394749), (135, 154131583), (439, 47398095), (1317, 15799365), (2195, 9479619), (3951, 5266455), (6585, 3159873), (11853, 1755485), (19755, 1053291), (59265, 351097)]