20161475748

素因数分解:

$2^2\times 3^5\times {\mathrm{509}}^1\times {\mathrm{40751}}^1$

素因数の和:41279

約数の個数: 72

約数和(自身を含む): 52956408960

約数和(自身を除く): 32794933212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 509, 972, 1018, 1527, 2036, 3054, 4581, 6108, 9162, 13743, 18324, 27486, 40751, 41229, 54972, 81502, 82458, 122253, 123687, 163004, 164916, 244506, 247374, 366759, 489012, 494748, 733518, 1100277, 1467036, 2200554, 3300831, 4401108, 6601662, 9902493, 13203324, 19804986, 20742259, 39609972, 41484518, 62226777, 82969036, 124453554, 186680331, 248907108, 373360662, 560040993, 746721324, 1120081986, 1680122979, 2240163972, 3360245958, 5040368937, 6720491916, 10080737874, 20161475748]

約数ペア:

[(1, 20161475748), (2, 10080737874), (3, 6720491916), (4, 5040368937), (6, 3360245958), (9, 2240163972), (12, 1680122979), (18, 1120081986), (27, 746721324), (36, 560040993), (54, 373360662), (81, 248907108), (108, 186680331), (162, 124453554), (243, 82969036), (324, 62226777), (486, 41484518), (509, 39609972), (972, 20742259), (1018, 19804986), (1527, 13203324), (2036, 9902493), (3054, 6601662), (4581, 4401108), (6108, 3300831), (9162, 2200554), (13743, 1467036), (18324, 1100277), (27486, 733518), (40751, 494748), (41229, 489012), (54972, 366759), (81502, 247374), (82458, 244506), (122253, 164916), (123687, 163004)]