20538954

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^2\times {\mathrm{719}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 47779200

約数和(自身を除く): 27240246

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 529, 621, 719, 1058, 1242, 1438, 1587, 2157, 3174, 4314, 4761, 6471, 9522, 12942, 14283, 16537, 19413, 28566, 33074, 38826, 49611, 99222, 148833, 297666, 380351, 446499, 760702, 892998, 1141053, 2282106, 3423159, 6846318, 10269477, 20538954]

約数ペア:

[(1, 20538954), (2, 10269477), (3, 6846318), (6, 3423159), (9, 2282106), (18, 1141053), (23, 892998), (27, 760702), (46, 446499), (54, 380351), (69, 297666), (138, 148833), (207, 99222), (414, 49611), (529, 38826), (621, 33074), (719, 28566), (1058, 19413), (1242, 16537), (1438, 14283), (1587, 12942), (2157, 9522), (3174, 6471), (4314, 4761)]