20616565585

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{14879}}^1$

素因数の和:15022

約数の個数: 64

約数和(自身を含む): 31883673600

約数和(自身を除く): 11267108015

約数列:

[1, 5, 7, 11, 35, 55, 59, 61, 77, 295, 305, 385, 413, 427, 649, 671, 2065, 2135, 3245, 3355, 3599, 4543, 4697, 14879, 17995, 22715, 23485, 25193, 39589, 74395, 104153, 125965, 163669, 197945, 277123, 520765, 818345, 877861, 907619, 1145683, 1385615, 4389305, 4538095, 5728415, 6145027, 6353333, 9656471, 9983809, 30725135, 31766665, 48282355, 49919045, 53549521, 67595297, 69886663, 267747605, 337976485, 349433315, 374846647, 589044731, 1874233235, 2945223655, 4123313117, 20616565585]

約数ペア:

[(1, 20616565585), (5, 4123313117), (7, 2945223655), (11, 1874233235), (35, 589044731), (55, 374846647), (59, 349433315), (61, 337976485), (77, 267747605), (295, 69886663), (305, 67595297), (385, 53549521), (413, 49919045), (427, 48282355), (649, 31766665), (671, 30725135), (2065, 9983809), (2135, 9656471), (3245, 6353333), (3355, 6145027), (3599, 5728415), (4543, 4538095), (4697, 4389305), (14879, 1385615), (17995, 1145683), (22715, 907619), (23485, 877861), (25193, 818345), (39589, 520765), (74395, 277123), (104153, 197945), (125965, 163669)]