20964200

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2833}}^1$

素因数の和:2886

約数の個数: 48

約数和(自身を含む): 50076780

約数和(自身を除く): 29112580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 2833, 3700, 5666, 7400, 11332, 14165, 22664, 28330, 56660, 70825, 104821, 113320, 141650, 209642, 283300, 419284, 524105, 566600, 838568, 1048210, 2096420, 2620525, 4192840, 5241050, 10482100, 20964200]

約数ペア:

[(1, 20964200), (2, 10482100), (4, 5241050), (5, 4192840), (8, 2620525), (10, 2096420), (20, 1048210), (25, 838568), (37, 566600), (40, 524105), (50, 419284), (74, 283300), (100, 209642), (148, 141650), (185, 113320), (200, 104821), (296, 70825), (370, 56660), (740, 28330), (925, 22664), (1480, 14165), (1850, 11332), (2833, 7400), (3700, 5666)]