20852812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 20273588

約数列:

[1, 2, 4, 17, 23, 34, 46, 67, 68, 92, 134, 199, 268, 391, 398, 782, 796, 1139, 1541, 1564, 2278, 3082, 3383, 4556, 4577, 6164, 6766, 9154, 13333, 13532, 18308, 26197, 26666, 52394, 53332, 77809, 104788, 155618, 226661, 306659, 311236, 453322, 613318, 906644, 1226636, 5213203, 10426406, 20852812]

約数ペア:

[(1, 20852812), (2, 10426406), (4, 5213203), (17, 1226636), (23, 906644), (34, 613318), (46, 453322), (67, 311236), (68, 306659), (92, 226661), (134, 155618), (199, 104788), (268, 77809), (391, 53332), (398, 52394), (782, 26666), (796, 26197), (1139, 18308), (1541, 13532), (1564, 13333), (2278, 9154), (3082, 6766), (3383, 6164), (4556, 4577)]