20871108

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{1741}}^1$

素因数の和:1794

約数の個数: 60

約数和(自身を含む): 56068012

約数和(自身を除く): 35196904

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 324, 333, 444, 666, 999, 1332, 1741, 1998, 2997, 3482, 3996, 5223, 5994, 6964, 10446, 11988, 15669, 20892, 31338, 47007, 62676, 64417, 94014, 128834, 141021, 188028, 193251, 257668, 282042, 386502, 564084, 579753, 773004, 1159506, 1739259, 2319012, 3478518, 5217777, 6957036, 10435554, 20871108]

約数ペア:

[(1, 20871108), (2, 10435554), (3, 6957036), (4, 5217777), (6, 3478518), (9, 2319012), (12, 1739259), (18, 1159506), (27, 773004), (36, 579753), (37, 564084), (54, 386502), (74, 282042), (81, 257668), (108, 193251), (111, 188028), (148, 141021), (162, 128834), (222, 94014), (324, 64417), (333, 62676), (444, 47007), (666, 31338), (999, 20892), (1332, 15669), (1741, 11988), (1998, 10446), (2997, 6964), (3482, 5994), (3996, 5223)]