20996949533

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{2237}}^1\times {\mathrm{70573}}^1$

素因数の和:72836

約数の個数: 16

約数和(自身を含む): 25271137920

約数和(自身を除く): 4274188387

約数列:

[1, 7, 19, 133, 2237, 15659, 42503, 70573, 297521, 494011, 1340887, 9386209, 157871801, 1105102607, 2999564219, 20996949533]

約数ペア:

[(1, 20996949533), (7, 2999564219), (19, 1105102607), (133, 157871801), (2237, 9386209), (15659, 1340887), (42503, 494011), (70573, 297521)]