20885930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{463}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 40690944

約数和(自身を除く): 19805014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 347, 463, 694, 926, 1735, 2315, 3470, 4511, 4630, 6019, 9022, 12038, 22555, 30095, 45110, 60190, 160661, 321322, 803305, 1606610, 2088593, 4177186, 10442965, 20885930]

約数ペア:

[(1, 20885930), (2, 10442965), (5, 4177186), (10, 2088593), (13, 1606610), (26, 803305), (65, 321322), (130, 160661), (347, 60190), (463, 45110), (694, 30095), (926, 22555), (1735, 12038), (2315, 9022), (3470, 6019), (4511, 4630)]