20128778418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11145503}}^1$

素因数の和:11145558

約数の個数: 32

約数和(自身を含む): 47078608896

約数和(自身を除く): 26949830478

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11145503, 22291006, 33436509, 66873018, 78018521, 156037042, 234055563, 468111126, 479256629, 958513258, 1437769887, 2875539774, 3354796403, 6709592806, 10064389209, 20128778418]

約数ペア:

[(1, 20128778418), (2, 10064389209), (3, 6709592806), (6, 3354796403), (7, 2875539774), (14, 1437769887), (21, 958513258), (42, 479256629), (43, 468111126), (86, 234055563), (129, 156037042), (258, 78018521), (301, 66873018), (602, 33436509), (903, 22291006), (1806, 11145503)]