20121241698

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{37139}}^1$

素因数の和:37356

約数の個数: 64

約数和(自身を含む): 45637632000

約数和(自身を除く): 25516390302

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 127, 158, 237, 254, 381, 474, 711, 762, 1143, 1422, 2133, 2286, 3429, 4266, 6858, 10033, 20066, 30099, 37139, 60198, 74278, 90297, 111417, 180594, 222834, 270891, 334251, 541782, 668502, 1002753, 2005506, 2933981, 4716653, 5867962, 8801943, 9433306, 14149959, 17603886, 26405829, 28299918, 42449877, 52811658, 79217487, 84899754, 127349631, 158434974, 254699262, 372615587, 745231174, 1117846761, 2235693522, 3353540283, 6707080566, 10060620849, 20121241698]

約数ペア:

[(1, 20121241698), (2, 10060620849), (3, 6707080566), (6, 3353540283), (9, 2235693522), (18, 1117846761), (27, 745231174), (54, 372615587), (79, 254699262), (127, 158434974), (158, 127349631), (237, 84899754), (254, 79217487), (381, 52811658), (474, 42449877), (711, 28299918), (762, 26405829), (1143, 17603886), (1422, 14149959), (2133, 9433306), (2286, 8801943), (3429, 5867962), (4266, 4716653), (6858, 2933981), (10033, 2005506), (20066, 1002753), (30099, 668502), (37139, 541782), (60198, 334251), (74278, 270891), (90297, 222834), (111417, 180594)]