20009142

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24806538

約数列:

[1, 2, 3, 6, 9, 18, 59, 83, 118, 166, 177, 227, 249, 354, 454, 498, 531, 681, 747, 1062, 1362, 1494, 2043, 4086, 4897, 9794, 13393, 14691, 18841, 26786, 29382, 37682, 40179, 44073, 56523, 80358, 88146, 113046, 120537, 169569, 241074, 339138, 1111619, 2223238, 3334857, 6669714, 10004571, 20009142]

約数ペア:

[(1, 20009142), (2, 10004571), (3, 6669714), (6, 3334857), (9, 2223238), (18, 1111619), (59, 339138), (83, 241074), (118, 169569), (166, 120537), (177, 113046), (227, 88146), (249, 80358), (354, 56523), (454, 44073), (498, 40179), (531, 37682), (681, 29382), (747, 26786), (1062, 18841), (1362, 14691), (1494, 13393), (2043, 9794), (4086, 4897)]