16405020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{91139}}^1$

素因数の和:91154

約数の個数: 36

約数和(自身を含む): 49762440

約数和(自身を除く): 33357420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 91139, 182278, 273417, 364556, 455695, 546834, 820251, 911390, 1093668, 1367085, 1640502, 1822780, 2734170, 3281004, 4101255, 5468340, 8202510, 16405020]

約数ペア:

[(1, 16405020), (2, 8202510), (3, 5468340), (4, 4101255), (5, 3281004), (6, 2734170), (9, 1822780), (10, 1640502), (12, 1367085), (15, 1093668), (18, 911390), (20, 820251), (30, 546834), (36, 455695), (45, 364556), (60, 273417), (90, 182278), (180, 91139)]