20404704

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{4943}}^1$

素因数の和:4999

約数の個数: 48

約数和(自身を含む): 54819072

約数和(自身を除く): 34414368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 4943, 9886, 14829, 19772, 29658, 39544, 59316, 79088, 118632, 158176, 212549, 237264, 425098, 474528, 637647, 850196, 1275294, 1700392, 2550588, 3400784, 5101176, 6801568, 10202352, 20404704]

約数ペア:

[(1, 20404704), (2, 10202352), (3, 6801568), (4, 5101176), (6, 3400784), (8, 2550588), (12, 1700392), (16, 1275294), (24, 850196), (32, 637647), (43, 474528), (48, 425098), (86, 237264), (96, 212549), (129, 158176), (172, 118632), (258, 79088), (344, 59316), (516, 39544), (688, 29658), (1032, 19772), (1376, 14829), (2064, 9886), (4128, 4943)]