20801898

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{88897}}^1$

素因数の和:88918

約数の個数: 24

約数和(自身を含む): 48538308

約数和(自身を除く): 27736410

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 88897, 177794, 266691, 533382, 800073, 1155661, 1600146, 2311322, 3466983, 6933966, 10400949, 20801898]

約数ペア:

[(1, 20801898), (2, 10400949), (3, 6933966), (6, 3466983), (9, 2311322), (13, 1600146), (18, 1155661), (26, 800073), (39, 533382), (78, 266691), (117, 177794), (234, 88897)]