20128404

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 49375872

約数和(自身を除く): 29247468

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 233, 276, 313, 466, 626, 699, 932, 939, 1252, 1398, 1878, 2796, 3756, 5359, 7199, 10718, 14398, 16077, 21436, 21597, 28796, 32154, 43194, 64308, 72929, 86388, 145858, 218787, 291716, 437574, 875148, 1677367, 3354734, 5032101, 6709468, 10064202, 20128404]

約数ペア:

[(1, 20128404), (2, 10064202), (3, 6709468), (4, 5032101), (6, 3354734), (12, 1677367), (23, 875148), (46, 437574), (69, 291716), (92, 218787), (138, 145858), (233, 86388), (276, 72929), (313, 64308), (466, 43194), (626, 32154), (699, 28796), (932, 21597), (939, 21436), (1252, 16077), (1398, 14398), (1878, 10718), (2796, 7199), (3756, 5359)]