20604753

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1318

約数の個数: 32

約数和(自身を含む): 33600000

約数和(自身を除く): 12995247

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1249, 1269, 1833, 3747, 5499, 11241, 16237, 16497, 33723, 48711, 58703, 146133, 176109, 438399, 528327, 763139, 1584981, 2289417, 6868251, 20604753]

約数ペア:

[(1, 20604753), (3, 6868251), (9, 2289417), (13, 1584981), (27, 763139), (39, 528327), (47, 438399), (117, 176109), (141, 146133), (351, 58703), (423, 48711), (611, 33723), (1249, 16497), (1269, 16237), (1833, 11241), (3747, 5499)]