20784744

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{16981}}^1$

素因数の和:17010

約数の個数: 48

約数和(自身を含む): 59606820

約数和(自身を除く): 38822076

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 16981, 33962, 50943, 67924, 101886, 135848, 152829, 203772, 288677, 305658, 407544, 577354, 611316, 866031, 1154708, 1222632, 1732062, 2309416, 2598093, 3464124, 5196186, 6928248, 10392372, 20784744]

約数ペア:

[(1, 20784744), (2, 10392372), (3, 6928248), (4, 5196186), (6, 3464124), (8, 2598093), (9, 2309416), (12, 1732062), (17, 1222632), (18, 1154708), (24, 866031), (34, 611316), (36, 577354), (51, 407544), (68, 305658), (72, 288677), (102, 203772), (136, 152829), (153, 135848), (204, 101886), (306, 67924), (408, 50943), (612, 33962), (1224, 16981)]