20215173892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 39626496000

約数和(自身を除く): 19411322108

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 149, 223, 298, 389, 391, 446, 596, 778, 782, 892, 1556, 1564, 2533, 3427, 3791, 5066, 5129, 6613, 6854, 7582, 8947, 10132, 10258, 13226, 13708, 15164, 17894, 20516, 26452, 33227, 35788, 57961, 58259, 66454, 86747, 87193, 115922, 116518, 132908, 152099, 173494, 174386, 231844, 233036, 304198, 346988, 348772, 564859, 608396, 764221, 985337, 1129718, 1333103, 1474699, 1528442, 1970674, 1995181, 2259436, 2666206, 2949398, 3056884, 3941348, 3990362, 5332412, 5898796, 7980724, 12925303, 12991757, 22662751, 25850606, 25983514, 33918077, 45325502, 51701212, 51967028, 67836154, 90651004, 135672308, 219730151, 297281969, 439460302, 594563938, 878920604, 1189127876, 5053793473, 10107586946, 20215173892]

約数ペア:

[(1, 20215173892), (2, 10107586946), (4, 5053793473), (17, 1189127876), (23, 878920604), (34, 594563938), (46, 439460302), (68, 297281969), (92, 219730151), (149, 135672308), (223, 90651004), (298, 67836154), (389, 51967028), (391, 51701212), (446, 45325502), (596, 33918077), (778, 25983514), (782, 25850606), (892, 22662751), (1556, 12991757), (1564, 12925303), (2533, 7980724), (3427, 5898796), (3791, 5332412), (5066, 3990362), (5129, 3941348), (6613, 3056884), (6854, 2949398), (7582, 2666206), (8947, 2259436), (10132, 1995181), (10258, 1970674), (13226, 1528442), (13708, 1474699), (15164, 1333103), (17894, 1129718), (20516, 985337), (26452, 764221), (33227, 608396), (35788, 564859), (57961, 348772), (58259, 346988), (66454, 304198), (86747, 233036), (87193, 231844), (115922, 174386), (116518, 173494), (132908, 152099)]