20798412860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{2819}}^1$

素因数の和:3267

約数の個数: 96

約数和(自身を含む): 46777167360

約数和(自身を除く): 25978754500

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 373, 430, 460, 746, 860, 989, 1492, 1865, 1978, 2819, 3730, 3956, 4945, 5638, 7460, 8579, 9890, 11276, 14095, 16039, 17158, 19780, 28190, 32078, 34316, 42895, 56380, 64156, 64837, 80195, 85790, 121217, 129674, 160390, 171580, 242434, 259348, 320780, 324185, 368897, 484868, 606085, 648370, 737794, 1051487, 1212170, 1296740, 1475588, 1844485, 2102974, 2424340, 2787991, 3688970, 4205948, 5257435, 5575982, 7377940, 10514870, 11151964, 13939955, 21029740, 24184201, 27879910, 45213941, 48368402, 55759820, 90427882, 96736804, 120921005, 180855764, 226069705, 241842010, 452139410, 483684020, 904278820, 1039920643, 2079841286, 4159682572, 5199603215, 10399206430, 20798412860]

約数ペア:

[(1, 20798412860), (2, 10399206430), (4, 5199603215), (5, 4159682572), (10, 2079841286), (20, 1039920643), (23, 904278820), (43, 483684020), (46, 452139410), (86, 241842010), (92, 226069705), (115, 180855764), (172, 120921005), (215, 96736804), (230, 90427882), (373, 55759820), (430, 48368402), (460, 45213941), (746, 27879910), (860, 24184201), (989, 21029740), (1492, 13939955), (1865, 11151964), (1978, 10514870), (2819, 7377940), (3730, 5575982), (3956, 5257435), (4945, 4205948), (5638, 3688970), (7460, 2787991), (8579, 2424340), (9890, 2102974), (11276, 1844485), (14095, 1475588), (16039, 1296740), (17158, 1212170), (19780, 1051487), (28190, 737794), (32078, 648370), (34316, 606085), (42895, 484868), (56380, 368897), (64156, 324185), (64837, 320780), (80195, 259348), (85790, 242434), (121217, 171580), (129674, 160390)]