20501142

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2803}}^1$

素因数の和:2884

約数の個数: 32

約数和(自身を含む): 43607808

約数和(自身を除く): 23106666

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 1219, 2438, 2803, 3657, 5606, 7314, 8409, 16818, 64469, 128938, 148559, 193407, 297118, 386814, 445677, 891354, 3416857, 6833714, 10250571, 20501142]

約数ペア:

[(1, 20501142), (2, 10250571), (3, 6833714), (6, 3416857), (23, 891354), (46, 445677), (53, 386814), (69, 297118), (106, 193407), (138, 148559), (159, 128938), (318, 64469), (1219, 16818), (2438, 8409), (2803, 7314), (3657, 5606)]