20851950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{2837}}^1$

素因数の和:2866

約数の個数: 72

約数和(自身を含む): 60176952

約数和(自身を除く): 39325002

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 2837, 3675, 5674, 7350, 8511, 14185, 17022, 19859, 28370, 39718, 42555, 59577, 70925, 85110, 99295, 119154, 139013, 141850, 198590, 212775, 278026, 297885, 417039, 425550, 496475, 595770, 695065, 834078, 992950, 1390130, 1489425, 2085195, 2978850, 3475325, 4170390, 6950650, 10425975, 20851950]

約数ペア:

[(1, 20851950), (2, 10425975), (3, 6950650), (5, 4170390), (6, 3475325), (7, 2978850), (10, 2085195), (14, 1489425), (15, 1390130), (21, 992950), (25, 834078), (30, 695065), (35, 595770), (42, 496475), (49, 425550), (50, 417039), (70, 297885), (75, 278026), (98, 212775), (105, 198590), (147, 141850), (150, 139013), (175, 119154), (210, 99295), (245, 85110), (294, 70925), (350, 59577), (490, 42555), (525, 39718), (735, 28370), (1050, 19859), (1225, 17022), (1470, 14185), (2450, 8511), (2837, 7350), (3675, 5674)]