20658210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{503}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 51057216

約数和(自身を除く): 30399006

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 503, 555, 1006, 1110, 1369, 1509, 2515, 2738, 3018, 4107, 5030, 6845, 7545, 8214, 13690, 15090, 18611, 20535, 37222, 41070, 55833, 93055, 111666, 186110, 279165, 558330, 688607, 1377214, 2065821, 3443035, 4131642, 6886070, 10329105, 20658210]

約数ペア:

[(1, 20658210), (2, 10329105), (3, 6886070), (5, 4131642), (6, 3443035), (10, 2065821), (15, 1377214), (30, 688607), (37, 558330), (74, 279165), (111, 186110), (185, 111666), (222, 93055), (370, 55833), (503, 41070), (555, 37222), (1006, 20535), (1110, 18611), (1369, 15090), (1509, 13690), (2515, 8214), (2738, 7545), (3018, 6845), (4107, 5030)]