20165202590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^2\times {\mathrm{19583}}^1$

素因数の和:19781

約数の個数: 48

約数和(自身を含む): 39535630848

約数和(自身を除く): 19370428258

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 7921, 11570, 15842, 19583, 39166, 39605, 79210, 97915, 102973, 195830, 205946, 254579, 509158, 514865, 1029730, 1272895, 1742887, 2545790, 3485774, 8714435, 17428870, 22657531, 45315062, 113287655, 155116943, 226575310, 310233886, 775584715, 1551169430, 2016520259, 4033040518, 10082601295, 20165202590]

約数ペア:

[(1, 20165202590), (2, 10082601295), (5, 4033040518), (10, 2016520259), (13, 1551169430), (26, 775584715), (65, 310233886), (89, 226575310), (130, 155116943), (178, 113287655), (445, 45315062), (890, 22657531), (1157, 17428870), (2314, 8714435), (5785, 3485774), (7921, 2545790), (11570, 1742887), (15842, 1272895), (19583, 1029730), (39166, 514865), (39605, 509158), (79210, 254579), (97915, 205946), (102973, 195830)]