20480459928

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{181603}}^1$

素因数の和:181776

約数の個数: 64

約数和(自身を含む): 52999311360

約数和(自身を除く): 32518851432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 127, 148, 222, 254, 296, 381, 444, 508, 762, 888, 1016, 1524, 3048, 4699, 9398, 14097, 18796, 28194, 37592, 56388, 112776, 181603, 363206, 544809, 726412, 1089618, 1452824, 2179236, 4358472, 6719311, 13438622, 20157933, 23063581, 26877244, 40315866, 46127162, 53754488, 69190743, 80631732, 92254324, 138381486, 161263464, 184508648, 276762972, 553525944, 853352497, 1706704994, 2560057491, 3413409988, 5120114982, 6826819976, 10240229964, 20480459928]

約数ペア:

[(1, 20480459928), (2, 10240229964), (3, 6826819976), (4, 5120114982), (6, 3413409988), (8, 2560057491), (12, 1706704994), (24, 853352497), (37, 553525944), (74, 276762972), (111, 184508648), (127, 161263464), (148, 138381486), (222, 92254324), (254, 80631732), (296, 69190743), (381, 53754488), (444, 46127162), (508, 40315866), (762, 26877244), (888, 23063581), (1016, 20157933), (1524, 13438622), (3048, 6719311), (4699, 4358472), (9398, 2179236), (14097, 1452824), (18796, 1089618), (28194, 726412), (37592, 544809), (56388, 363206), (112776, 181603)]