20570608

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 41822720

約数和(自身を除く): 21252112

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 619, 1072, 1238, 2077, 2476, 4154, 4952, 8308, 9904, 16616, 19189, 33232, 38378, 41473, 76756, 82946, 153512, 165892, 307024, 331784, 663568, 1285663, 2571326, 5142652, 10285304, 20570608]

約数ペア:

[(1, 20570608), (2, 10285304), (4, 5142652), (8, 2571326), (16, 1285663), (31, 663568), (62, 331784), (67, 307024), (124, 165892), (134, 153512), (248, 82946), (268, 76756), (496, 41473), (536, 38378), (619, 33232), (1072, 19189), (1238, 16616), (2077, 9904), (2476, 8308), (4154, 4952)]