20479632

素因数分解:

$2^4\times 3^1\times {\mathrm{331}}^1\times {\mathrm{1289}}^1$

素因数の和:1631

約数の個数: 40

約数和(自身を含む): 53106720

約数和(自身を除く): 32627088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 331, 662, 993, 1289, 1324, 1986, 2578, 2648, 3867, 3972, 5156, 5296, 7734, 7944, 10312, 15468, 15888, 20624, 30936, 61872, 426659, 853318, 1279977, 1706636, 2559954, 3413272, 5119908, 6826544, 10239816, 20479632]

約数ペア:

[(1, 20479632), (2, 10239816), (3, 6826544), (4, 5119908), (6, 3413272), (8, 2559954), (12, 1706636), (16, 1279977), (24, 853318), (48, 426659), (331, 61872), (662, 30936), (993, 20624), (1289, 15888), (1324, 15468), (1986, 10312), (2578, 7944), (2648, 7734), (3867, 5296), (3972, 5156)]