20199377296

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{16481}}^1$

素因数の和:16880

約数の個数: 80

約数和(自身を含む): 46303607808

約数和(自身を除く): 26104230512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 353, 434, 496, 706, 868, 1412, 1736, 2471, 2824, 3472, 4942, 5648, 9884, 10943, 16481, 19768, 21886, 32962, 39536, 43772, 65924, 76601, 87544, 115367, 131848, 153202, 175088, 230734, 263696, 306404, 461468, 510911, 612808, 922936, 1021822, 1225616, 1845872, 2043644, 3576377, 4087288, 5817793, 7152754, 8174576, 11635586, 14305508, 23271172, 28611016, 40724551, 46542344, 57222032, 81449102, 93084688, 162898204, 180351583, 325796408, 360703166, 651592816, 721406332, 1262461081, 1442812664, 2524922162, 2885625328, 5049844324, 10099688648, 20199377296]

約数ペア:

[(1, 20199377296), (2, 10099688648), (4, 5049844324), (7, 2885625328), (8, 2524922162), (14, 1442812664), (16, 1262461081), (28, 721406332), (31, 651592816), (56, 360703166), (62, 325796408), (112, 180351583), (124, 162898204), (217, 93084688), (248, 81449102), (353, 57222032), (434, 46542344), (496, 40724551), (706, 28611016), (868, 23271172), (1412, 14305508), (1736, 11635586), (2471, 8174576), (2824, 7152754), (3472, 5817793), (4942, 4087288), (5648, 3576377), (9884, 2043644), (10943, 1845872), (16481, 1225616), (19768, 1021822), (21886, 922936), (32962, 612808), (39536, 510911), (43772, 461468), (65924, 306404), (76601, 263696), (87544, 230734), (115367, 175088), (131848, 153202)]