20588200

素因数分解:

$2^3\times 5^2\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 48166560

約数和(自身を除く): 27578360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 311, 331, 622, 662, 1244, 1324, 1555, 1655, 2488, 2648, 3110, 3310, 6220, 6620, 7775, 8275, 12440, 13240, 15550, 16550, 31100, 33100, 62200, 66200, 102941, 205882, 411764, 514705, 823528, 1029410, 2058820, 2573525, 4117640, 5147050, 10294100, 20588200]

約数ペア:

[(1, 20588200), (2, 10294100), (4, 5147050), (5, 4117640), (8, 2573525), (10, 2058820), (20, 1029410), (25, 823528), (40, 514705), (50, 411764), (100, 205882), (200, 102941), (311, 66200), (331, 62200), (622, 33100), (662, 31100), (1244, 16550), (1324, 15550), (1555, 13240), (1655, 12440), (2488, 8275), (2648, 7775), (3110, 6620), (3310, 6220)]