20890710

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8597}}^1$

素因数の和:8619

約数の個数: 48

約数和(自身を含む): 56334096

約数和(自身を除く): 35443386

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8597, 17194, 25791, 42985, 51582, 77373, 85970, 128955, 154746, 232119, 257910, 386865, 464238, 696357, 773730, 1160595, 1392714, 2089071, 2321190, 3481785, 4178142, 6963570, 10445355, 20890710]

約数ペア:

[(1, 20890710), (2, 10445355), (3, 6963570), (5, 4178142), (6, 3481785), (9, 2321190), (10, 2089071), (15, 1392714), (18, 1160595), (27, 773730), (30, 696357), (45, 464238), (54, 386865), (81, 257910), (90, 232119), (135, 154746), (162, 128955), (243, 85970), (270, 77373), (405, 51582), (486, 42985), (810, 25791), (1215, 17194), (2430, 8597)]