20063620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 45581760

約数和(自身を除く): 25518140

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 1427, 2812, 2854, 3515, 5708, 7030, 7135, 14060, 14270, 27113, 28540, 52799, 54226, 105598, 108452, 135565, 211196, 263995, 271130, 527990, 542260, 1003181, 1055980, 2006362, 4012724, 5015905, 10031810, 20063620]

約数ペア:

[(1, 20063620), (2, 10031810), (4, 5015905), (5, 4012724), (10, 2006362), (19, 1055980), (20, 1003181), (37, 542260), (38, 527990), (74, 271130), (76, 263995), (95, 211196), (148, 135565), (185, 108452), (190, 105598), (370, 54226), (380, 52799), (703, 28540), (740, 27113), (1406, 14270), (1427, 14060), (2812, 7135), (2854, 7030), (3515, 5708)]