20463152

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:921

約数の個数: 40

約数和(自身を含む): 42288960

約数和(自身を除く): 21825808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 304, 332, 664, 811, 1328, 1577, 1622, 3154, 3244, 6308, 6488, 12616, 12976, 15409, 25232, 30818, 61636, 67313, 123272, 134626, 246544, 269252, 538504, 1077008, 1278947, 2557894, 5115788, 10231576, 20463152]

約数ペア:

[(1, 20463152), (2, 10231576), (4, 5115788), (8, 2557894), (16, 1278947), (19, 1077008), (38, 538504), (76, 269252), (83, 246544), (152, 134626), (166, 123272), (304, 67313), (332, 61636), (664, 30818), (811, 25232), (1328, 15409), (1577, 12976), (1622, 12616), (3154, 6488), (3244, 6308)]