20131372828

素因数分解:

$2^2\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{520621}}^1$

素因数の和:522013

約数の個数: 24

約数和(自身を含む): 40291977824

約数和(自身を除く): 20160604996

約数列:

[1, 2, 4, 7, 14, 28, 1381, 2762, 5524, 9667, 19334, 38668, 520621, 1041242, 2082484, 3644347, 7288694, 14577388, 718977601, 1437955202, 2875910404, 5032843207, 10065686414, 20131372828]

約数ペア:

[(1, 20131372828), (2, 10065686414), (4, 5032843207), (7, 2875910404), (14, 1437955202), (28, 718977601), (1381, 14577388), (2762, 7288694), (5524, 3644347), (9667, 2082484), (19334, 1041242), (38668, 520621)]