20169484760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{5783}}^1$

素因数の和:6057

約数の個数: 128

約数和(自身を含む): 50373550080

約数和(自身を除く): 30204065320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 223, 230, 340, 391, 446, 460, 680, 782, 892, 920, 1115, 1564, 1784, 1955, 2230, 3128, 3791, 3910, 4460, 5129, 5783, 7582, 7820, 8920, 10258, 11566, 15164, 15640, 18955, 20516, 23132, 25645, 28915, 30328, 37910, 41032, 46264, 51290, 57830, 75820, 87193, 98311, 102580, 115660, 133009, 151640, 174386, 196622, 205160, 231320, 266018, 348772, 393244, 435965, 491555, 532036, 665045, 697544, 786488, 871930, 983110, 1064072, 1289609, 1330090, 1743860, 1966220, 2261153, 2579218, 2660180, 3487720, 3932440, 4522306, 5158436, 5320360, 6448045, 9044612, 10316872, 11305765, 12896090, 18089224, 21923353, 22611530, 25792180, 29661007, 43846706, 45223060, 51584360, 59322014, 87693412, 90446120, 109616765, 118644028, 148305035, 175386824, 219233530, 237288056, 296610070, 438467060, 504237119, 593220140, 876934120, 1008474238, 1186440280, 2016948476, 2521185595, 4033896952, 5042371190, 10084742380, 20169484760]

約数ペア:

[(1, 20169484760), (2, 10084742380), (4, 5042371190), (5, 4033896952), (8, 2521185595), (10, 2016948476), (17, 1186440280), (20, 1008474238), (23, 876934120), (34, 593220140), (40, 504237119), (46, 438467060), (68, 296610070), (85, 237288056), (92, 219233530), (115, 175386824), (136, 148305035), (170, 118644028), (184, 109616765), (223, 90446120), (230, 87693412), (340, 59322014), (391, 51584360), (446, 45223060), (460, 43846706), (680, 29661007), (782, 25792180), (892, 22611530), (920, 21923353), (1115, 18089224), (1564, 12896090), (1784, 11305765), (1955, 10316872), (2230, 9044612), (3128, 6448045), (3791, 5320360), (3910, 5158436), (4460, 4522306), (5129, 3932440), (5783, 3487720), (7582, 2660180), (7820, 2579218), (8920, 2261153), (10258, 1966220), (11566, 1743860), (15164, 1330090), (15640, 1289609), (18955, 1064072), (20516, 983110), (23132, 871930), (25645, 786488), (28915, 697544), (30328, 665045), (37910, 532036), (41032, 491555), (46264, 435965), (51290, 393244), (57830, 348772), (75820, 266018), (87193, 231320), (98311, 205160), (102580, 196622), (115660, 174386), (133009, 151640)]