20147883232

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{80897}}^1$

素因数の和:81131

約数の個数: 48

約数和(自身を含む): 40813364592

約数和(自身を除く): 20665481360

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 181, 344, 362, 688, 724, 1376, 1448, 2896, 5792, 7783, 15566, 31132, 62264, 80897, 124528, 161794, 249056, 323588, 647176, 1294352, 2588704, 3478571, 6957142, 13914284, 14642357, 27828568, 29284714, 55657136, 58569428, 111314272, 117138856, 234277712, 468555424, 629621351, 1259242702, 2518485404, 5036970808, 10073941616, 20147883232]

約数ペア:

[(1, 20147883232), (2, 10073941616), (4, 5036970808), (8, 2518485404), (16, 1259242702), (32, 629621351), (43, 468555424), (86, 234277712), (172, 117138856), (181, 111314272), (344, 58569428), (362, 55657136), (688, 29284714), (724, 27828568), (1376, 14642357), (1448, 13914284), (2896, 6957142), (5792, 3478571), (7783, 2588704), (15566, 1294352), (31132, 647176), (62264, 323588), (80897, 249056), (124528, 161794)]