20281506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{751}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 46491648

約数和(自身を除く): 26210142

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 643, 751, 1286, 1502, 1929, 2253, 3858, 4501, 4506, 5257, 9002, 10514, 13503, 15771, 27006, 31542, 482893, 965786, 1448679, 2897358, 3380251, 6760502, 10140753, 20281506]

約数ペア:

[(1, 20281506), (2, 10140753), (3, 6760502), (6, 3380251), (7, 2897358), (14, 1448679), (21, 965786), (42, 482893), (643, 31542), (751, 27006), (1286, 15771), (1502, 13503), (1929, 10514), (2253, 9002), (3858, 5257), (4501, 4506)]