20109411231

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{25639}}^1$

素因数の和:25705

約数の個数: 64

約数和(自身を含む): 35149363200

約数和(自身を除く): 15039951969

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 169, 221, 273, 357, 507, 663, 1183, 1547, 2197, 2873, 3549, 4641, 6591, 8619, 15379, 20111, 25639, 37349, 46137, 60333, 76917, 112047, 179473, 261443, 333307, 435863, 538419, 784329, 999921, 1307589, 2333149, 3051041, 4332991, 5666219, 6999447, 9153123, 12998973, 16998657, 30330937, 39663533, 56328883, 73660847, 90992811, 118990599, 168986649, 220982541, 394302181, 515625929, 957591011, 1182906543, 1546877787, 2872773033, 6703137077, 20109411231]

約数ペア:

[(1, 20109411231), (3, 6703137077), (7, 2872773033), (13, 1546877787), (17, 1182906543), (21, 957591011), (39, 515625929), (51, 394302181), (91, 220982541), (119, 168986649), (169, 118990599), (221, 90992811), (273, 73660847), (357, 56328883), (507, 39663533), (663, 30330937), (1183, 16998657), (1547, 12998973), (2197, 9153123), (2873, 6999447), (3549, 5666219), (4641, 4332991), (6591, 3051041), (8619, 2333149), (15379, 1307589), (20111, 999921), (25639, 784329), (37349, 538419), (46137, 435863), (60333, 333307), (76917, 261443), (112047, 179473)]