20453967152

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{238369}}^1$

素因数の和:238581

約数の個数: 40

約数和(自身を含む): 41144568960

約数和(自身を除く): 20690601808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 173, 248, 346, 496, 692, 1384, 2768, 5363, 10726, 21452, 42904, 85808, 238369, 476738, 953476, 1906952, 3813904, 7389439, 14778878, 29557756, 41237837, 59115512, 82475674, 118231024, 164951348, 329902696, 659805392, 1278372947, 2556745894, 5113491788, 10226983576, 20453967152]

約数ペア:

[(1, 20453967152), (2, 10226983576), (4, 5113491788), (8, 2556745894), (16, 1278372947), (31, 659805392), (62, 329902696), (124, 164951348), (173, 118231024), (248, 82475674), (346, 59115512), (496, 41237837), (692, 29557756), (1384, 14778878), (2768, 7389439), (5363, 3813904), (10726, 1906952), (21452, 953476), (42904, 476738), (85808, 238369)]