20165718280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21919259}}^1$

素因数の和:21919293

約数の個数: 32

約数和(自身を含む): 47345601600

約数和(自身を除く): 27179883320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21919259, 43838518, 87677036, 109596295, 175354072, 219192590, 438385180, 504142957, 876770360, 1008285914, 2016571828, 2520714785, 4033143656, 5041429570, 10082859140, 20165718280]

約数ペア:

[(1, 20165718280), (2, 10082859140), (4, 5041429570), (5, 4033143656), (8, 2520714785), (10, 2016571828), (20, 1008285914), (23, 876770360), (40, 504142957), (46, 438385180), (92, 219192590), (115, 175354072), (184, 109596295), (230, 87677036), (460, 43838518), (920, 21919259)]