20669166

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4001}}^1$

素因数の和:4057

約数の個数: 48

約数和(自身を含む): 52442208

約数和(自身を除く): 31773042

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 4001, 5166, 8002, 12003, 24006, 28007, 36009, 56014, 72018, 84021, 164041, 168042, 252063, 328082, 492123, 504126, 984246, 1148287, 1476369, 2296574, 2952738, 3444861, 6889722, 10334583, 20669166]

約数ペア:

[(1, 20669166), (2, 10334583), (3, 6889722), (6, 3444861), (7, 2952738), (9, 2296574), (14, 1476369), (18, 1148287), (21, 984246), (41, 504126), (42, 492123), (63, 328082), (82, 252063), (123, 168042), (126, 164041), (246, 84021), (287, 72018), (369, 56014), (574, 36009), (738, 28007), (861, 24006), (1722, 12003), (2583, 8002), (4001, 5166)]