20552049

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 35676608

約数和(自身を除く): 15124559

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 541, 567, 603, 1407, 1623, 1809, 3787, 4221, 4869, 5427, 11361, 12663, 14607, 34083, 36247, 37989, 43821, 102249, 108741, 253729, 306747, 326223, 761187, 978669, 2283561, 2936007, 6850683, 20552049]

約数ペア:

[(1, 20552049), (3, 6850683), (7, 2936007), (9, 2283561), (21, 978669), (27, 761187), (63, 326223), (67, 306747), (81, 253729), (189, 108741), (201, 102249), (469, 43821), (541, 37989), (567, 36247), (603, 34083), (1407, 14607), (1623, 12663), (1809, 11361), (3787, 5427), (4221, 4869)]