20145889239

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{383}}^1\times {\mathrm{7177}}^1$

素因数の和:7919

約数の個数: 32

約数和(自身を含む): 30871142400

約数和(自身を除く): 10725253161

約数列:

[1, 3, 7, 21, 349, 383, 1047, 1149, 2443, 2681, 7177, 7329, 8043, 21531, 50239, 133667, 150717, 401001, 935669, 2504773, 2748791, 2807007, 7514319, 8246373, 17533411, 19241537, 52600233, 57724611, 959328059, 2877984177, 6715296413, 20145889239]

約数ペア:

[(1, 20145889239), (3, 6715296413), (7, 2877984177), (21, 959328059), (349, 57724611), (383, 52600233), (1047, 19241537), (1149, 17533411), (2443, 8246373), (2681, 7514319), (7177, 2807007), (7329, 2748791), (8043, 2504773), (21531, 935669), (50239, 401001), (133667, 150717)]