20217528

素因数分解:

$2^3\times 3^2\times {\mathrm{227}}^1\times {\mathrm{1237}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 55041480

約数和(自身を除く): 34823952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 227, 454, 681, 908, 1237, 1362, 1816, 2043, 2474, 2724, 3711, 4086, 4948, 5448, 7422, 8172, 9896, 11133, 14844, 16344, 22266, 29688, 44532, 89064, 280799, 561598, 842397, 1123196, 1684794, 2246392, 2527191, 3369588, 5054382, 6739176, 10108764, 20217528]

約数ペア:

[(1, 20217528), (2, 10108764), (3, 6739176), (4, 5054382), (6, 3369588), (8, 2527191), (9, 2246392), (12, 1684794), (18, 1123196), (24, 842397), (36, 561598), (72, 280799), (227, 89064), (454, 44532), (681, 29688), (908, 22266), (1237, 16344), (1362, 14844), (1816, 11133), (2043, 9896), (2474, 8172), (2724, 7422), (3711, 5448), (4086, 4948)]