20219855775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{4297}}^1\times {\mathrm{8963}}^1$

素因数の和:13280

約数の個数: 48

約数和(自身を含む): 38219053824

約数和(自身を除く): 17999198049

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 4297, 8963, 12891, 21485, 26889, 30079, 44815, 62741, 64455, 90237, 107425, 134445, 150395, 188223, 224075, 313705, 322275, 451185, 672225, 751975, 941115, 1568525, 2255925, 4705575, 38514011, 115542033, 192570055, 269598077, 577710165, 808794231, 962850275, 1347990385, 2888550825, 4043971155, 6739951925, 20219855775]

約数ペア:

[(1, 20219855775), (3, 6739951925), (5, 4043971155), (7, 2888550825), (15, 1347990385), (21, 962850275), (25, 808794231), (35, 577710165), (75, 269598077), (105, 192570055), (175, 115542033), (525, 38514011), (4297, 4705575), (8963, 2255925), (12891, 1568525), (21485, 941115), (26889, 751975), (30079, 672225), (44815, 451185), (62741, 322275), (64455, 313705), (90237, 224075), (107425, 188223), (134445, 150395)]