20165127955

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1031}}^1\times {\mathrm{4079}}^1$

素因数の和:5259

約数の個数: 32

約数和(自身を含む): 27890749440

約数和(自身を除く): 7725621485

約数列:

[1, 5, 7, 35, 137, 685, 959, 1031, 4079, 4795, 5155, 7217, 20395, 28553, 36085, 141247, 142765, 558823, 706235, 988729, 2794115, 3911761, 4205449, 4943645, 19558805, 21027245, 29438143, 147190715, 576146513, 2880732565, 4033025591, 20165127955]

約数ペア:

[(1, 20165127955), (5, 4033025591), (7, 2880732565), (35, 576146513), (137, 147190715), (685, 29438143), (959, 21027245), (1031, 19558805), (4079, 4943645), (4795, 4205449), (5155, 3911761), (7217, 2794115), (20395, 988729), (28553, 706235), (36085, 558823), (141247, 142765)]