20121155838

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{24793}}^1$

素因数の和:24943

約数の個数: 128

約数和(自身を含む): 54269107200

約数和(自身を除く): 34147951362

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 113, 114, 126, 133, 171, 189, 226, 266, 339, 342, 378, 399, 513, 678, 791, 798, 1017, 1026, 1197, 1582, 2034, 2147, 2373, 2394, 3051, 3591, 4294, 4746, 6102, 6441, 7119, 7182, 12882, 14238, 15029, 19323, 21357, 24793, 30058, 38646, 42714, 45087, 49586, 57969, 74379, 90174, 115938, 135261, 148758, 173551, 223137, 270522, 347102, 405783, 446274, 471067, 520653, 669411, 811566, 942134, 1041306, 1338822, 1413201, 1561959, 2801609, 2826402, 3123918, 3297469, 4239603, 4685877, 5603218, 6594938, 8404827, 8479206, 9371754, 9892407, 12718809, 16809654, 19611263, 19784814, 25214481, 25437618, 29677221, 39222526, 50428962, 53230571, 58833789, 59354442, 75643443, 89031663, 106461142, 117667578, 151286886, 159691713, 176501367, 178063326, 319383426, 353002734, 372613997, 479075139, 529504101, 745227994, 958150278, 1059008202, 1117841991, 1437225417, 2235683982, 2874450834, 3353525973, 6707051946, 10060577919, 20121155838]

約数ペア:

[(1, 20121155838), (2, 10060577919), (3, 6707051946), (6, 3353525973), (7, 2874450834), (9, 2235683982), (14, 1437225417), (18, 1117841991), (19, 1059008202), (21, 958150278), (27, 745227994), (38, 529504101), (42, 479075139), (54, 372613997), (57, 353002734), (63, 319383426), (113, 178063326), (114, 176501367), (126, 159691713), (133, 151286886), (171, 117667578), (189, 106461142), (226, 89031663), (266, 75643443), (339, 59354442), (342, 58833789), (378, 53230571), (399, 50428962), (513, 39222526), (678, 29677221), (791, 25437618), (798, 25214481), (1017, 19784814), (1026, 19611263), (1197, 16809654), (1582, 12718809), (2034, 9892407), (2147, 9371754), (2373, 8479206), (2394, 8404827), (3051, 6594938), (3591, 5603218), (4294, 4685877), (4746, 4239603), (6102, 3297469), (6441, 3123918), (7119, 2826402), (7182, 2801609), (12882, 1561959), (14238, 1413201), (15029, 1338822), (19323, 1041306), (21357, 942134), (24793, 811566), (30058, 669411), (38646, 520653), (42714, 471067), (45087, 446274), (49586, 405783), (57969, 347102), (74379, 270522), (90174, 223137), (115938, 173551), (135261, 148758)]