20524833

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{683}}^1$

素因数の和:755

約数の個数: 40

約数和(自身を含む): 35754048

約数和(自身を除く): 15229215

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 683, 1113, 1431, 2049, 3339, 4293, 4781, 6147, 10017, 14343, 18441, 30051, 36199, 43029, 55323, 108597, 129087, 253393, 325791, 387261, 760179, 977373, 2280537, 2932119, 6841611, 20524833]

約数ペア:

[(1, 20524833), (3, 6841611), (7, 2932119), (9, 2280537), (21, 977373), (27, 760179), (53, 387261), (63, 325791), (81, 253393), (159, 129087), (189, 108597), (371, 55323), (477, 43029), (567, 36199), (683, 30051), (1113, 18441), (1431, 14343), (2049, 10017), (3339, 6147), (4293, 4781)]