20955090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53731}}^1$

素因数の和:53754

約数の個数: 32

約数和(自身を含む): 54161856

約数和(自身を除く): 33206766

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53731, 107462, 161193, 268655, 322386, 537310, 698503, 805965, 1397006, 1611930, 2095509, 3492515, 4191018, 6985030, 10477545, 20955090]

約数ペア:

[(1, 20955090), (2, 10477545), (3, 6985030), (5, 4191018), (6, 3492515), (10, 2095509), (13, 1611930), (15, 1397006), (26, 805965), (30, 698503), (39, 537310), (65, 322386), (78, 268655), (130, 161193), (195, 107462), (390, 53731)]