20169810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:729

約数の個数: 80

約数和(自身を含む): 55782936

約数和(自身を除く): 35613126

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 270, 333, 370, 405, 555, 666, 673, 810, 999, 1110, 1346, 1665, 1998, 2019, 2997, 3330, 3365, 4038, 4995, 5994, 6057, 6730, 9990, 10095, 12114, 14985, 18171, 20190, 24901, 29970, 30285, 36342, 49802, 54513, 60570, 74703, 90855, 109026, 124505, 149406, 181710, 224109, 249010, 272565, 373515, 448218, 545130, 672327, 747030, 1120545, 1344654, 2016981, 2241090, 3361635, 4033962, 6723270, 10084905, 20169810]

約数ペア:

[(1, 20169810), (2, 10084905), (3, 6723270), (5, 4033962), (6, 3361635), (9, 2241090), (10, 2016981), (15, 1344654), (18, 1120545), (27, 747030), (30, 672327), (37, 545130), (45, 448218), (54, 373515), (74, 272565), (81, 249010), (90, 224109), (111, 181710), (135, 149406), (162, 124505), (185, 109026), (222, 90855), (270, 74703), (333, 60570), (370, 54513), (405, 49802), (555, 36342), (666, 30285), (673, 29970), (810, 24901), (999, 20190), (1110, 18171), (1346, 14985), (1665, 12114), (1998, 10095), (2019, 9990), (2997, 6730), (3330, 6057), (3365, 5994), (4038, 4995)]