20029136

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1471}}^1$

素因数の和:1539

約数の個数: 40

約数和(自身を含む): 41616384

約数和(自身を除く): 21587248

約数列:

[1, 2, 4, 8, 16, 23, 37, 46, 74, 92, 148, 184, 296, 368, 592, 851, 1471, 1702, 2942, 3404, 5884, 6808, 11768, 13616, 23536, 33833, 54427, 67666, 108854, 135332, 217708, 270664, 435416, 541328, 870832, 1251821, 2503642, 5007284, 10014568, 20029136]

約数ペア:

[(1, 20029136), (2, 10014568), (4, 5007284), (8, 2503642), (16, 1251821), (23, 870832), (37, 541328), (46, 435416), (74, 270664), (92, 217708), (148, 135332), (184, 108854), (296, 67666), (368, 54427), (592, 33833), (851, 23536), (1471, 13616), (1702, 11768), (2942, 6808), (3404, 5884)]