20225680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6833}}^1$

素因数の和:6883

約数の個数: 40

約数和(自身を含む): 48302712

約数和(自身を除く): 28077032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6833, 13666, 27332, 34165, 54664, 68330, 109328, 136660, 252821, 273320, 505642, 546640, 1011284, 1264105, 2022568, 2528210, 4045136, 5056420, 10112840, 20225680]

約数ペア:

[(1, 20225680), (2, 10112840), (4, 5056420), (5, 4045136), (8, 2528210), (10, 2022568), (16, 1264105), (20, 1011284), (37, 546640), (40, 505642), (74, 273320), (80, 252821), (148, 136660), (185, 109328), (296, 68330), (370, 54664), (592, 34165), (740, 27332), (1480, 13666), (2960, 6833)]