20220018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1331

約数の個数: 64

約数和(自身を含む): 51528960

約数和(自身を除く): 31308942

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 1131, 1218, 1277, 2262, 2554, 2639, 3831, 5278, 7662, 7917, 8939, 15834, 16601, 17878, 26817, 33202, 37033, 49803, 53634, 74066, 99606, 111099, 116207, 222198, 232414, 259231, 348621, 481429, 518462, 697242, 777693, 962858, 1444287, 1555386, 2888574, 3370003, 6740006, 10110009, 20220018]

約数ペア:

[(1, 20220018), (2, 10110009), (3, 6740006), (6, 3370003), (7, 2888574), (13, 1555386), (14, 1444287), (21, 962858), (26, 777693), (29, 697242), (39, 518462), (42, 481429), (58, 348621), (78, 259231), (87, 232414), (91, 222198), (174, 116207), (182, 111099), (203, 99606), (273, 74066), (377, 53634), (406, 49803), (546, 37033), (609, 33202), (754, 26817), (1131, 17878), (1218, 16601), (1277, 15834), (2262, 8939), (2554, 7917), (2639, 7662), (3831, 5278)]