20197050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4643}}^1$

素因数の和:4687

約数の個数: 48

約数和(自身を含む): 51827040

約数和(自身を除く): 31629990

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4643, 9286, 13929, 23215, 27858, 46430, 69645, 116075, 134647, 139290, 232150, 269294, 348225, 403941, 673235, 696450, 807882, 1346470, 2019705, 3366175, 4039410, 6732350, 10098525, 20197050]

約数ペア:

[(1, 20197050), (2, 10098525), (3, 6732350), (5, 4039410), (6, 3366175), (10, 2019705), (15, 1346470), (25, 807882), (29, 696450), (30, 673235), (50, 403941), (58, 348225), (75, 269294), (87, 232150), (145, 139290), (150, 134647), (174, 116075), (290, 69645), (435, 46430), (725, 27858), (870, 23215), (1450, 13929), (2175, 9286), (4350, 4643)]