20155564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 41884416

約数和(自身を除く): 21728852

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 167, 211, 286, 334, 422, 572, 668, 844, 1837, 2171, 2321, 2743, 3674, 4342, 4642, 5486, 7348, 8684, 9284, 10972, 23881, 30173, 35237, 47762, 60346, 70474, 95524, 120692, 140948, 387607, 458081, 775214, 916162, 1550428, 1832324, 5038891, 10077782, 20155564]

約数ペア:

[(1, 20155564), (2, 10077782), (4, 5038891), (11, 1832324), (13, 1550428), (22, 916162), (26, 775214), (44, 458081), (52, 387607), (143, 140948), (167, 120692), (211, 95524), (286, 70474), (334, 60346), (422, 47762), (572, 35237), (668, 30173), (844, 23881), (1837, 10972), (2171, 9284), (2321, 8684), (2743, 7348), (3674, 5486), (4342, 4642)]