20153996727

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{6353}}^1$

素因数の和:6703

約数の個数: 32

約数和(自身を含む): 27815270400

約数和(自身を除く): 7661273673

約数列:

[1, 3, 47, 141, 149, 151, 447, 453, 6353, 7003, 7097, 19059, 21009, 21291, 22499, 67497, 298591, 895773, 946597, 959303, 1057453, 2839791, 2877909, 3172359, 44490059, 45087241, 133470177, 135261723, 142936147, 428808441, 6717998909, 20153996727]

約数ペア:

[(1, 20153996727), (3, 6717998909), (47, 428808441), (141, 142936147), (149, 135261723), (151, 133470177), (447, 45087241), (453, 44490059), (6353, 3172359), (7003, 2877909), (7097, 2839791), (19059, 1057453), (21009, 959303), (21291, 946597), (22499, 895773), (67497, 298591)]