20104990974

素因数分解:

$2^1\times 3^2\times {\mathrm{313}}^1\times {\mathrm{331}}^1\times {\mathrm{10781}}^1$

素因数の和:11433

約数の個数: 48

約数和(自身を含む): 43836075504

約数和(自身を除く): 23731084530

約数列:

[1, 2, 3, 6, 9, 18, 313, 331, 626, 662, 939, 993, 1878, 1986, 2817, 2979, 5634, 5958, 10781, 21562, 32343, 64686, 97029, 103603, 194058, 207206, 310809, 621618, 932427, 1864854, 3374453, 3568511, 6748906, 7137022, 10123359, 10705533, 20246718, 21411066, 30370077, 32116599, 60740154, 64233198, 1116943943, 2233887886, 3350831829, 6701663658, 10052495487, 20104990974]

約数ペア:

[(1, 20104990974), (2, 10052495487), (3, 6701663658), (6, 3350831829), (9, 2233887886), (18, 1116943943), (313, 64233198), (331, 60740154), (626, 32116599), (662, 30370077), (939, 21411066), (993, 20246718), (1878, 10705533), (1986, 10123359), (2817, 7137022), (2979, 6748906), (5634, 3568511), (5958, 3374453), (10781, 1864854), (21562, 932427), (32343, 621618), (64686, 310809), (97029, 207206), (103603, 194058)]