20903330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4457}}^1$

素因数の和:4538

約数の個数: 32

約数和(自身を含む): 43652736

約数和(自身を除く): 22749406

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4457, 4690, 8914, 22285, 31199, 44570, 62398, 155995, 298619, 311990, 597238, 1493095, 2090333, 2986190, 4180666, 10451665, 20903330]

約数ペア:

[(1, 20903330), (2, 10451665), (5, 4180666), (7, 2986190), (10, 2090333), (14, 1493095), (35, 597238), (67, 311990), (70, 298619), (134, 155995), (335, 62398), (469, 44570), (670, 31199), (938, 22285), (2345, 8914), (4457, 4690)]