20768156986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{659}}^1\times {\mathrm{2089}}^1$

素因数の和:3166

約数の個数: 32

約数和(自身を含む): 32940072000

約数和(自身を除く): 12171915014

約数列:

[1, 2, 19, 38, 397, 659, 794, 1318, 2089, 4178, 7543, 12521, 15086, 25042, 39691, 79382, 261623, 523246, 829333, 1376651, 1658666, 2753302, 4970837, 9941674, 15757327, 26156369, 31514654, 52312738, 546530447, 1093060894, 10384078493, 20768156986]

約数ペア:

[(1, 20768156986), (2, 10384078493), (19, 1093060894), (38, 546530447), (397, 52312738), (659, 31514654), (794, 26156369), (1318, 15757327), (2089, 9941674), (4178, 4970837), (7543, 2753302), (12521, 1658666), (15086, 1376651), (25042, 829333), (39691, 523246), (79382, 261623)]