20145888916

素因数分解:

$2^2\times {\mathrm{307}}^1\times {\mathrm{1601}}^1\times {\mathrm{10247}}^1$

素因数の和:12159

約数の個数: 24

約数和(自身を含む): 35395690176

約数和(自身を除く): 15249801260

約数列:

[1, 2, 4, 307, 614, 1228, 1601, 3202, 6404, 10247, 20494, 40988, 491507, 983014, 1966028, 3145829, 6291658, 12583316, 16405447, 32810894, 65621788, 5036472229, 10072944458, 20145888916]

約数ペア:

[(1, 20145888916), (2, 10072944458), (4, 5036472229), (307, 65621788), (614, 32810894), (1228, 16405447), (1601, 12583316), (3202, 6291658), (6404, 3145829), (10247, 1966028), (20494, 983014), (40988, 491507)]