20776240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7019}}^1$

素因数の和:7069

約数の個数: 40

約数和(自身を含む): 49617360

約数和(自身を除く): 28841120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 7019, 14038, 28076, 35095, 56152, 70190, 112304, 140380, 259703, 280760, 519406, 561520, 1038812, 1298515, 2077624, 2597030, 4155248, 5194060, 10388120, 20776240]

約数ペア:

[(1, 20776240), (2, 10388120), (4, 5194060), (5, 4155248), (8, 2597030), (10, 2077624), (16, 1298515), (20, 1038812), (37, 561520), (40, 519406), (74, 280760), (80, 259703), (148, 140380), (185, 112304), (296, 70190), (370, 56152), (592, 35095), (740, 28076), (1480, 14038), (2960, 7019)]