20163876844

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{17923}}^1$

素因数の和:18190

約数の個数: 48

約数和(自身を含む): 37760849280

約数和(自身を除く): 17596972436

約数列:

[1, 2, 4, 19, 38, 76, 113, 131, 226, 262, 452, 524, 2147, 2489, 4294, 4978, 8588, 9956, 14803, 17923, 29606, 35846, 59212, 71692, 281257, 340537, 562514, 681074, 1125028, 1362148, 2025299, 2347913, 4050598, 4695826, 8101196, 9391652, 38480681, 44610347, 76961362, 89220694, 153922724, 178441388, 265314169, 530628338, 1061256676, 5040969211, 10081938422, 20163876844]

約数ペア:

[(1, 20163876844), (2, 10081938422), (4, 5040969211), (19, 1061256676), (38, 530628338), (76, 265314169), (113, 178441388), (131, 153922724), (226, 89220694), (262, 76961362), (452, 44610347), (524, 38480681), (2147, 9391652), (2489, 8101196), (4294, 4695826), (4978, 4050598), (8588, 2347913), (9956, 2025299), (14803, 1362148), (17923, 1125028), (29606, 681074), (35846, 562514), (59212, 340537), (71692, 281257)]