20153249904

素因数分解:

$2^4\times 3^1\times {\mathrm{1307}}^1\times {\mathrm{321239}}^1$

素因数の和:322557

約数の個数: 40

約数和(自身を含む): 52102558080

約数和(自身を除く): 31949308176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1307, 2614, 3921, 5228, 7842, 10456, 15684, 20912, 31368, 62736, 321239, 642478, 963717, 1284956, 1927434, 2569912, 3854868, 5139824, 7709736, 15419472, 419859373, 839718746, 1259578119, 1679437492, 2519156238, 3358874984, 5038312476, 6717749968, 10076624952, 20153249904]

約数ペア:

[(1, 20153249904), (2, 10076624952), (3, 6717749968), (4, 5038312476), (6, 3358874984), (8, 2519156238), (12, 1679437492), (16, 1259578119), (24, 839718746), (48, 419859373), (1307, 15419472), (2614, 7709736), (3921, 5139824), (5228, 3854868), (7842, 2569912), (10456, 1927434), (15684, 1284956), (20912, 963717), (31368, 642478), (62736, 321239)]