20963726

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1487}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 17605234

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1487, 2014, 2974, 7049, 10409, 14098, 20818, 28253, 56506, 78811, 157622, 197771, 395542, 551677, 1103354, 1497409, 2994818, 10481863, 20963726]

約数ペア:

[(1, 20963726), (2, 10481863), (7, 2994818), (14, 1497409), (19, 1103354), (38, 551677), (53, 395542), (106, 197771), (133, 157622), (266, 78811), (371, 56506), (742, 28253), (1007, 20818), (1487, 14098), (2014, 10409), (2974, 7049)]