20121054017

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{809}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 21835008000

約数和(自身を除く): 1713953983

約数列:

[1, 19, 71, 103, 179, 809, 1349, 1957, 3401, 7313, 12709, 15371, 18437, 57439, 83327, 138947, 144811, 241471, 350303, 1091341, 1309027, 1583213, 2751409, 5916217, 10281581, 14915533, 24871513, 112408123, 195350039, 283395127, 1059002843, 20121054017]

約数ペア:

[(1, 20121054017), (19, 1059002843), (71, 283395127), (103, 195350039), (179, 112408123), (809, 24871513), (1349, 14915533), (1957, 10281581), (3401, 5916217), (7313, 2751409), (12709, 1583213), (15371, 1309027), (18437, 1091341), (57439, 350303), (83327, 241471), (138947, 144811)]