20085228

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:951

約数の個数: 72

約数和(自身を含む): 55272672

約数和(自身を除く): 35187444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 887, 1258, 1332, 1774, 1887, 2516, 2661, 3548, 3774, 5322, 5661, 7548, 7983, 10644, 11322, 15079, 15966, 22644, 30158, 31932, 32819, 45237, 60316, 65638, 90474, 98457, 131276, 135711, 180948, 196914, 271422, 295371, 393828, 542844, 557923, 590742, 1115846, 1181484, 1673769, 2231692, 3347538, 5021307, 6695076, 10042614, 20085228]

約数ペア:

[(1, 20085228), (2, 10042614), (3, 6695076), (4, 5021307), (6, 3347538), (9, 2231692), (12, 1673769), (17, 1181484), (18, 1115846), (34, 590742), (36, 557923), (37, 542844), (51, 393828), (68, 295371), (74, 271422), (102, 196914), (111, 180948), (148, 135711), (153, 131276), (204, 98457), (222, 90474), (306, 65638), (333, 60316), (444, 45237), (612, 32819), (629, 31932), (666, 30158), (887, 22644), (1258, 15966), (1332, 15079), (1774, 11322), (1887, 10644), (2516, 7983), (2661, 7548), (3548, 5661), (3774, 5322)]