20948021244

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{18583}}^1$

素因数の和:18947

約数の個数: 72

約数和(自身を含む): 53555148192

約数和(自身を除く): 32607126948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 181, 346, 362, 519, 543, 692, 724, 1038, 1086, 1557, 1629, 2076, 2172, 3114, 3258, 6228, 6516, 18583, 31313, 37166, 55749, 62626, 74332, 93939, 111498, 125252, 167247, 187878, 222996, 281817, 334494, 375756, 563634, 668988, 1127268, 3214859, 3363523, 6429718, 6727046, 9644577, 10090569, 12859436, 13454092, 19289154, 20181138, 28933731, 30271707, 38578308, 40362276, 57867462, 60543414, 115734924, 121086828, 581889479, 1163778958, 1745668437, 2327557916, 3491336874, 5237005311, 6982673748, 10474010622, 20948021244]

約数ペア:

[(1, 20948021244), (2, 10474010622), (3, 6982673748), (4, 5237005311), (6, 3491336874), (9, 2327557916), (12, 1745668437), (18, 1163778958), (36, 581889479), (173, 121086828), (181, 115734924), (346, 60543414), (362, 57867462), (519, 40362276), (543, 38578308), (692, 30271707), (724, 28933731), (1038, 20181138), (1086, 19289154), (1557, 13454092), (1629, 12859436), (2076, 10090569), (2172, 9644577), (3114, 6727046), (3258, 6429718), (6228, 3363523), (6516, 3214859), (18583, 1127268), (31313, 668988), (37166, 563634), (55749, 375756), (62626, 334494), (74332, 281817), (93939, 222996), (111498, 187878), (125252, 167247)]