20024620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13003}}^1$

素因数の和:13030

約数の個数: 48

約数和(自身を含む): 52432128

約数和(自身を除く): 32407508

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 13003, 26006, 52012, 65015, 91021, 130030, 143033, 182042, 260060, 286066, 364084, 455105, 572132, 715165, 910210, 1001231, 1430330, 1820420, 2002462, 2860660, 4004924, 5006155, 10012310, 20024620]

約数ペア:

[(1, 20024620), (2, 10012310), (4, 5006155), (5, 4004924), (7, 2860660), (10, 2002462), (11, 1820420), (14, 1430330), (20, 1001231), (22, 910210), (28, 715165), (35, 572132), (44, 455105), (55, 364084), (70, 286066), (77, 260060), (110, 182042), (140, 143033), (154, 130030), (220, 91021), (308, 65015), (385, 52012), (770, 26006), (1540, 13003)]