20171979510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5479}}^1\times {\mathrm{7219}}^1$

素因数の和:12725

約数の個数: 64

約数和(自身を含む): 51277017600

約数和(自身を除く): 31105038090

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 5479, 7219, 10958, 14438, 16437, 21657, 27395, 32874, 36095, 43314, 54790, 72190, 82185, 93143, 108285, 122723, 164370, 186286, 216570, 245446, 279429, 368169, 465715, 558858, 613615, 736338, 931430, 1227230, 1397145, 1840845, 2794290, 3681690, 39552901, 79105802, 118658703, 197764505, 237317406, 395529010, 593293515, 672399317, 1186587030, 1344798634, 2017197951, 3361996585, 4034395902, 6723993170, 10085989755, 20171979510]

約数ペア:

[(1, 20171979510), (2, 10085989755), (3, 6723993170), (5, 4034395902), (6, 3361996585), (10, 2017197951), (15, 1344798634), (17, 1186587030), (30, 672399317), (34, 593293515), (51, 395529010), (85, 237317406), (102, 197764505), (170, 118658703), (255, 79105802), (510, 39552901), (5479, 3681690), (7219, 2794290), (10958, 1840845), (14438, 1397145), (16437, 1227230), (21657, 931430), (27395, 736338), (32874, 613615), (36095, 558858), (43314, 465715), (54790, 368169), (72190, 279429), (82185, 245446), (93143, 216570), (108285, 186286), (122723, 164370)]