20486530744

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1\times {\mathrm{991}}^1$

素因数の和:1700

約数の個数: 64

約数和(自身を含む): 40365987840

約数和(自身を除く): 19879457096

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 283, 397, 566, 794, 991, 1132, 1588, 1982, 2264, 3176, 3964, 6509, 7928, 9131, 13018, 18262, 22793, 26036, 36524, 45586, 52072, 73048, 91172, 112351, 182344, 224702, 280453, 393427, 449404, 560906, 786854, 898808, 1121812, 1573708, 2243624, 2584073, 3147416, 5168146, 6450419, 9048821, 10336292, 12900838, 18097642, 20672584, 25801676, 36195284, 51603352, 72390568, 111339841, 222679682, 445359364, 890718728, 2560816343, 5121632686, 10243265372, 20486530744]

約数ペア:

[(1, 20486530744), (2, 10243265372), (4, 5121632686), (8, 2560816343), (23, 890718728), (46, 445359364), (92, 222679682), (184, 111339841), (283, 72390568), (397, 51603352), (566, 36195284), (794, 25801676), (991, 20672584), (1132, 18097642), (1588, 12900838), (1982, 10336292), (2264, 9048821), (3176, 6450419), (3964, 5168146), (6509, 3147416), (7928, 2584073), (9131, 2243624), (13018, 1573708), (18262, 1121812), (22793, 898808), (26036, 786854), (36524, 560906), (45586, 449404), (52072, 393427), (73048, 280453), (91172, 224702), (112351, 182344)]