20039200

素因数分解:

$2^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:734

約数の個数: 72

約数和(自身を含む): 50317092

約数和(自身を除く): 30277892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 74, 80, 100, 148, 160, 185, 200, 296, 370, 400, 592, 677, 740, 800, 925, 1184, 1354, 1480, 1850, 2708, 2960, 3385, 3700, 5416, 5920, 6770, 7400, 10832, 13540, 14800, 16925, 21664, 25049, 27080, 29600, 33850, 50098, 54160, 67700, 100196, 108320, 125245, 135400, 200392, 250490, 270800, 400784, 500980, 541600, 626225, 801568, 1001960, 1252450, 2003920, 2504900, 4007840, 5009800, 10019600, 20039200]

約数ペア:

[(1, 20039200), (2, 10019600), (4, 5009800), (5, 4007840), (8, 2504900), (10, 2003920), (16, 1252450), (20, 1001960), (25, 801568), (32, 626225), (37, 541600), (40, 500980), (50, 400784), (74, 270800), (80, 250490), (100, 200392), (148, 135400), (160, 125245), (185, 108320), (200, 100196), (296, 67700), (370, 54160), (400, 50098), (592, 33850), (677, 29600), (740, 27080), (800, 25049), (925, 21664), (1184, 16925), (1354, 14800), (1480, 13540), (1850, 10832), (2708, 7400), (2960, 6770), (3385, 5920), (3700, 5416)]