20902752

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1861}}^1$

素因数の和:1893

約数の個数: 96

約数和(自身を含む): 65691360

約数和(自身を除く): 44788608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 208, 216, 234, 288, 312, 351, 416, 432, 468, 624, 702, 864, 936, 1248, 1404, 1861, 1872, 2808, 3722, 3744, 5583, 5616, 7444, 11166, 11232, 14888, 16749, 22332, 24193, 29776, 33498, 44664, 48386, 50247, 59552, 66996, 72579, 89328, 96772, 100494, 133992, 145158, 178656, 193544, 200988, 217737, 267984, 290316, 387088, 401976, 435474, 535968, 580632, 653211, 774176, 803952, 870948, 1161264, 1306422, 1607904, 1741896, 2322528, 2612844, 3483792, 5225688, 6967584, 10451376, 20902752]

約数ペア:

[(1, 20902752), (2, 10451376), (3, 6967584), (4, 5225688), (6, 3483792), (8, 2612844), (9, 2322528), (12, 1741896), (13, 1607904), (16, 1306422), (18, 1161264), (24, 870948), (26, 803952), (27, 774176), (32, 653211), (36, 580632), (39, 535968), (48, 435474), (52, 401976), (54, 387088), (72, 290316), (78, 267984), (96, 217737), (104, 200988), (108, 193544), (117, 178656), (144, 145158), (156, 133992), (208, 100494), (216, 96772), (234, 89328), (288, 72579), (312, 66996), (351, 59552), (416, 50247), (432, 48386), (468, 44664), (624, 33498), (702, 29776), (864, 24193), (936, 22332), (1248, 16749), (1404, 14888), (1861, 11232), (1872, 11166), (2808, 7444), (3722, 5616), (3744, 5583)]