20869290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17837}}^1$

素因数の和:17863

約数の個数: 48

約数和(自身を含む): 58437288

約数和(自身を除く): 37567998

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17837, 35674, 53511, 89185, 107022, 160533, 178370, 231881, 267555, 321066, 463762, 535110, 695643, 802665, 1159405, 1391286, 1605330, 2086929, 2318810, 3478215, 4173858, 6956430, 10434645, 20869290]

約数ペア:

[(1, 20869290), (2, 10434645), (3, 6956430), (5, 4173858), (6, 3478215), (9, 2318810), (10, 2086929), (13, 1605330), (15, 1391286), (18, 1159405), (26, 802665), (30, 695643), (39, 535110), (45, 463762), (65, 321066), (78, 267555), (90, 231881), (117, 178370), (130, 160533), (195, 107022), (234, 89185), (390, 53511), (585, 35674), (1170, 17837)]