20786526

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 72

約数和(自身を含む): 49172760

約数和(自身を除く): 28386234

約数列:

[1, 2, 3, 6, 9, 18, 23, 37, 46, 59, 69, 74, 111, 118, 138, 177, 207, 222, 333, 354, 414, 529, 531, 666, 851, 1058, 1062, 1357, 1587, 1702, 2183, 2553, 2714, 3174, 4071, 4366, 4761, 5106, 6549, 7659, 8142, 9522, 12213, 13098, 15318, 19573, 19647, 24426, 31211, 39146, 39294, 50209, 58719, 62422, 93633, 100418, 117438, 150627, 176157, 187266, 280899, 301254, 352314, 451881, 561798, 903762, 1154807, 2309614, 3464421, 6928842, 10393263, 20786526]

約数ペア:

[(1, 20786526), (2, 10393263), (3, 6928842), (6, 3464421), (9, 2309614), (18, 1154807), (23, 903762), (37, 561798), (46, 451881), (59, 352314), (69, 301254), (74, 280899), (111, 187266), (118, 176157), (138, 150627), (177, 117438), (207, 100418), (222, 93633), (333, 62422), (354, 58719), (414, 50209), (529, 39294), (531, 39146), (666, 31211), (851, 24426), (1058, 19647), (1062, 19573), (1357, 15318), (1587, 13098), (1702, 12213), (2183, 9522), (2553, 8142), (2714, 7659), (3174, 6549), (4071, 5106), (4366, 4761)]