20545014

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 48960000

約数和(自身を除く): 28414986

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 67, 98, 134, 147, 149, 201, 294, 298, 343, 402, 447, 469, 686, 894, 938, 1029, 1043, 1407, 2058, 2086, 2814, 3129, 3283, 6258, 6566, 7301, 9849, 9983, 14602, 19698, 19966, 21903, 22981, 29949, 43806, 45962, 51107, 59898, 68943, 69881, 102214, 137886, 139762, 153321, 209643, 306642, 419286, 489167, 978334, 1467501, 2935002, 3424169, 6848338, 10272507, 20545014]

約数ペア:

[(1, 20545014), (2, 10272507), (3, 6848338), (6, 3424169), (7, 2935002), (14, 1467501), (21, 978334), (42, 489167), (49, 419286), (67, 306642), (98, 209643), (134, 153321), (147, 139762), (149, 137886), (201, 102214), (294, 69881), (298, 68943), (343, 59898), (402, 51107), (447, 45962), (469, 43806), (686, 29949), (894, 22981), (938, 21903), (1029, 19966), (1043, 19698), (1407, 14602), (2058, 9983), (2086, 9849), (2814, 7301), (3129, 6566), (3283, 6258)]