20723748

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 34434012

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 31, 34, 51, 58, 62, 68, 87, 93, 102, 113, 116, 124, 174, 186, 204, 226, 339, 348, 372, 452, 493, 527, 678, 899, 986, 1054, 1356, 1479, 1581, 1798, 1921, 1972, 2108, 2697, 2958, 3162, 3277, 3503, 3596, 3842, 5394, 5763, 5916, 6324, 6554, 7006, 7684, 9831, 10509, 10788, 11526, 13108, 14012, 15283, 19662, 21018, 23052, 30566, 39324, 42036, 45849, 55709, 59551, 61132, 91698, 101587, 111418, 119102, 167127, 178653, 183396, 203174, 222836, 238204, 304761, 334254, 357306, 406348, 609522, 668508, 714612, 1219044, 1726979, 3453958, 5180937, 6907916, 10361874, 20723748]

約数ペア:

[(1, 20723748), (2, 10361874), (3, 6907916), (4, 5180937), (6, 3453958), (12, 1726979), (17, 1219044), (29, 714612), (31, 668508), (34, 609522), (51, 406348), (58, 357306), (62, 334254), (68, 304761), (87, 238204), (93, 222836), (102, 203174), (113, 183396), (116, 178653), (124, 167127), (174, 119102), (186, 111418), (204, 101587), (226, 91698), (339, 61132), (348, 59551), (372, 55709), (452, 45849), (493, 42036), (527, 39324), (678, 30566), (899, 23052), (986, 21018), (1054, 19662), (1356, 15283), (1479, 14012), (1581, 13108), (1798, 11526), (1921, 10788), (1972, 10509), (2108, 9831), (2697, 7684), (2958, 7006), (3162, 6554), (3277, 6324), (3503, 5916), (3596, 5763), (3842, 5394)]