20178077152

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{39581}}^1$

素因数の和:39859

約数の個数: 48

約数和(自身を含む): 40397389200

約数和(自身を除く): 20219312048

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 179, 356, 358, 712, 716, 1424, 1432, 2848, 2864, 5728, 15931, 31862, 39581, 63724, 79162, 127448, 158324, 254896, 316648, 509792, 633296, 1266592, 3522709, 7045418, 7084999, 14090836, 14169998, 28181672, 28339996, 56363344, 56679992, 112726688, 113359984, 226719968, 630564911, 1261129822, 2522259644, 5044519288, 10089038576, 20178077152]

約数ペア:

[(1, 20178077152), (2, 10089038576), (4, 5044519288), (8, 2522259644), (16, 1261129822), (32, 630564911), (89, 226719968), (178, 113359984), (179, 112726688), (356, 56679992), (358, 56363344), (712, 28339996), (716, 28181672), (1424, 14169998), (1432, 14090836), (2848, 7084999), (2864, 7045418), (5728, 3522709), (15931, 1266592), (31862, 633296), (39581, 509792), (63724, 316648), (79162, 254896), (127448, 158324)]