20032121487

素因数分解:

$3^1\times 7^1\times {\mathrm{47717}}^1\times {\mathrm{19991}}^1$

素因数の和:67718

約数の個数: 16

約数和(自身を含む): 30527304192

約数和(自身を除く): 10495182705

約数列:

[1, 3, 7, 21, 19991, 47717, 59973, 139937, 143151, 334019, 419811, 1002057, 953910547, 2861731641, 6677373829, 20032121487]

約数ペア:

[(1, 20032121487), (3, 6677373829), (7, 2861731641), (21, 953910547), (19991, 1002057), (47717, 419811), (59973, 334019), (139937, 143151)]