20413593904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{292157}}^1$

素因数の和:292573

約数の個数: 40

約数和(自身を含む): 43255744848

約数和(自身を除く): 22842150944

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 397, 794, 1588, 3176, 4367, 6352, 8734, 17468, 34936, 69872, 292157, 584314, 1168628, 2337256, 3213727, 4674512, 6427454, 12854908, 25709816, 51419632, 115986329, 231972658, 463945316, 927890632, 1275849619, 1855781264, 2551699238, 5103398476, 10206796952, 20413593904]

約数ペア:

[(1, 20413593904), (2, 10206796952), (4, 5103398476), (8, 2551699238), (11, 1855781264), (16, 1275849619), (22, 927890632), (44, 463945316), (88, 231972658), (176, 115986329), (397, 51419632), (794, 25709816), (1588, 12854908), (3176, 6427454), (4367, 4674512), (6352, 3213727), (8734, 2337256), (17468, 1168628), (34936, 584314), (69872, 292157)]