20453706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12487}}^1$

素因数の和:12515

約数の個数: 48

約数和(自身を含む): 54547584

約数和(自身を除く): 34093878

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12487, 24974, 37461, 74922, 87409, 112383, 162331, 174818, 224766, 262227, 324662, 486993, 524454, 786681, 973986, 1136317, 1460979, 1573362, 2272634, 2921958, 3408951, 6817902, 10226853, 20453706]

約数ペア:

[(1, 20453706), (2, 10226853), (3, 6817902), (6, 3408951), (7, 2921958), (9, 2272634), (13, 1573362), (14, 1460979), (18, 1136317), (21, 973986), (26, 786681), (39, 524454), (42, 486993), (63, 324662), (78, 262227), (91, 224766), (117, 174818), (126, 162331), (182, 112383), (234, 87409), (273, 74922), (546, 37461), (819, 24974), (1638, 12487)]