20123572252

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{143999}}^1$

素因数の和:144071

約数の個数: 72

約数和(自身を含む): 44126208000

約数和(自身を除く): 24002635748

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 49, 62, 92, 98, 124, 161, 196, 217, 322, 434, 644, 713, 868, 1127, 1426, 1519, 2254, 2852, 3038, 4508, 4991, 6076, 9982, 19964, 34937, 69874, 139748, 143999, 287998, 575996, 1007993, 2015986, 3311977, 4031972, 4463969, 6623954, 7055951, 8927938, 13247908, 14111902, 17855876, 23183839, 28223804, 31247783, 46367678, 62495566, 92735356, 102671287, 124991132, 162286873, 205342574, 218734481, 324573746, 410685148, 437468962, 649147492, 718699009, 874937924, 1437398018, 2874796036, 5030893063, 10061786126, 20123572252]

約数ペア:

[(1, 20123572252), (2, 10061786126), (4, 5030893063), (7, 2874796036), (14, 1437398018), (23, 874937924), (28, 718699009), (31, 649147492), (46, 437468962), (49, 410685148), (62, 324573746), (92, 218734481), (98, 205342574), (124, 162286873), (161, 124991132), (196, 102671287), (217, 92735356), (322, 62495566), (434, 46367678), (644, 31247783), (713, 28223804), (868, 23183839), (1127, 17855876), (1426, 14111902), (1519, 13247908), (2254, 8927938), (2852, 7055951), (3038, 6623954), (4508, 4463969), (4991, 4031972), (6076, 3311977), (9982, 2015986), (19964, 1007993), (34937, 575996), (69874, 287998), (139748, 143999)]