20507536

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 49996800

約数和(自身を除く): 29489264

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 56, 76, 92, 112, 133, 152, 161, 184, 266, 304, 322, 368, 419, 437, 532, 644, 838, 874, 1064, 1288, 1676, 1748, 2128, 2576, 2933, 3059, 3352, 3496, 5866, 6118, 6704, 6992, 7961, 9637, 11732, 12236, 15922, 19274, 23464, 24472, 31844, 38548, 46928, 48944, 55727, 63688, 67459, 77096, 111454, 127376, 134918, 154192, 183103, 222908, 269836, 366206, 445816, 539672, 732412, 891632, 1079344, 1281721, 1464824, 2563442, 2929648, 5126884, 10253768, 20507536]

約数ペア:

[(1, 20507536), (2, 10253768), (4, 5126884), (7, 2929648), (8, 2563442), (14, 1464824), (16, 1281721), (19, 1079344), (23, 891632), (28, 732412), (38, 539672), (46, 445816), (56, 366206), (76, 269836), (92, 222908), (112, 183103), (133, 154192), (152, 134918), (161, 127376), (184, 111454), (266, 77096), (304, 67459), (322, 63688), (368, 55727), (419, 48944), (437, 46928), (532, 38548), (644, 31844), (838, 24472), (874, 23464), (1064, 19274), (1288, 15922), (1676, 12236), (1748, 11732), (2128, 9637), (2576, 7961), (2933, 6992), (3059, 6704), (3352, 6118), (3496, 5866)]