220676236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{70639}}^1$

素因数の和:70725

約数の個数: 24

約数和(自身を含む): 427230720

約数和(自身を除く): 206554484

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 70639, 141278, 282556, 777029, 1554058, 3108116, 5015369, 10030738, 20061476, 55169059, 110338118, 220676236]

約数ペア:

[(1, 220676236), (2, 110338118), (4, 55169059), (11, 20061476), (22, 10030738), (44, 5015369), (71, 3108116), (142, 1554058), (284, 777029), (781, 282556), (1562, 141278), (3124, 70639)]