20339704

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 49863600

約数和(自身を除く): 29523896

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 53, 56, 77, 88, 89, 98, 106, 154, 178, 196, 212, 308, 356, 371, 392, 424, 539, 583, 616, 623, 712, 742, 979, 1078, 1166, 1246, 1484, 1958, 2156, 2332, 2492, 2597, 2968, 3916, 4081, 4312, 4361, 4664, 4717, 4984, 5194, 6853, 7832, 8162, 8722, 9434, 10388, 13706, 16324, 17444, 18868, 20776, 27412, 28567, 32648, 33019, 34888, 37736, 47971, 51887, 54824, 57134, 66038, 95942, 103774, 114268, 132076, 191884, 207548, 228536, 231133, 264152, 363209, 383768, 415096, 462266, 726418, 924532, 1452836, 1849064, 2542463, 2905672, 5084926, 10169852, 20339704]

約数ペア:

[(1, 20339704), (2, 10169852), (4, 5084926), (7, 2905672), (8, 2542463), (11, 1849064), (14, 1452836), (22, 924532), (28, 726418), (44, 462266), (49, 415096), (53, 383768), (56, 363209), (77, 264152), (88, 231133), (89, 228536), (98, 207548), (106, 191884), (154, 132076), (178, 114268), (196, 103774), (212, 95942), (308, 66038), (356, 57134), (371, 54824), (392, 51887), (424, 47971), (539, 37736), (583, 34888), (616, 33019), (623, 32648), (712, 28567), (742, 27412), (979, 20776), (1078, 18868), (1166, 17444), (1246, 16324), (1484, 13706), (1958, 10388), (2156, 9434), (2332, 8722), (2492, 8162), (2597, 7832), (2968, 6853), (3916, 5194), (4081, 4984), (4312, 4717), (4361, 4664)]