20807918210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{443}}^1\times {\mathrm{1061}}^1$

素因数の和:1763

約数の個数: 64

約数和(自身を含む): 39721518720

約数和(自身を除く): 18913600510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 233, 443, 466, 886, 1061, 1165, 2122, 2215, 2330, 4427, 4430, 5305, 8417, 8854, 10610, 16834, 20159, 22135, 40318, 42085, 44270, 84170, 100795, 103219, 201590, 206438, 247213, 470023, 494426, 516095, 940046, 1032190, 1236065, 1961161, 2350115, 2472130, 3922322, 4697047, 4700230, 8930437, 9394094, 9805805, 17860874, 19611610, 23485235, 44652185, 46970470, 89304370, 109515359, 219030718, 547576795, 1095153590, 2080791821, 4161583642, 10403959105, 20807918210]

約数ペア:

[(1, 20807918210), (2, 10403959105), (5, 4161583642), (10, 2080791821), (19, 1095153590), (38, 547576795), (95, 219030718), (190, 109515359), (233, 89304370), (443, 46970470), (466, 44652185), (886, 23485235), (1061, 19611610), (1165, 17860874), (2122, 9805805), (2215, 9394094), (2330, 8930437), (4427, 4700230), (4430, 4697047), (5305, 3922322), (8417, 2472130), (8854, 2350115), (10610, 1961161), (16834, 1236065), (20159, 1032190), (22135, 940046), (40318, 516095), (42085, 494426), (44270, 470023), (84170, 247213), (100795, 206438), (103219, 201590)]