20739582

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 47258640

約数和(自身を除く): 26519058

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 67, 87, 134, 174, 201, 261, 402, 522, 593, 603, 1186, 1206, 1779, 1943, 3558, 3886, 5337, 5829, 10674, 11658, 17197, 17487, 34394, 34974, 39731, 51591, 79462, 103182, 119193, 154773, 238386, 309546, 357579, 715158, 1152199, 2304398, 3456597, 6913194, 10369791, 20739582]

約数ペア:

[(1, 20739582), (2, 10369791), (3, 6913194), (6, 3456597), (9, 2304398), (18, 1152199), (29, 715158), (58, 357579), (67, 309546), (87, 238386), (134, 154773), (174, 119193), (201, 103182), (261, 79462), (402, 51591), (522, 39731), (593, 34974), (603, 34394), (1186, 17487), (1206, 17197), (1779, 11658), (1943, 10674), (3558, 5829), (3886, 5337)]