20172489587728

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{1303}}^1\times {\mathrm{65551}}^1$

素因数の和:67400

約数の個数: 80

約数和(自身を含む): 40543072934400

約数和(自身を除く): 20370583346672

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 509, 1018, 1303, 2036, 2606, 4072, 5212, 8144, 10424, 14761, 20848, 29522, 37787, 59044, 65551, 75574, 118088, 131102, 151148, 236176, 262204, 302296, 524408, 604592, 663227, 1048816, 1326454, 1900979, 2652908, 3801958, 5305816, 7603916, 10611632, 15207832, 19233583, 30415664, 33365459, 38467166, 66730918, 76934332, 85412953, 133461836, 153868664, 170825906, 266923672, 307737328, 341651812, 533847344, 683303624, 967598311, 1366607248, 1935196622, 2476975637, 3870393244, 4953951274, 7740786488, 9907902548, 15481572976, 19815805096, 39631610192, 43475193077, 86950386154, 173900772308, 347801544616, 695603089232, 1260780599233, 2521561198466, 5043122396932, 10086244793864, 20172489587728]

約数ペア:

[(1, 20172489587728), (2, 10086244793864), (4, 5043122396932), (8, 2521561198466), (16, 1260780599233), (29, 695603089232), (58, 347801544616), (116, 173900772308), (232, 86950386154), (464, 43475193077), (509, 39631610192), (1018, 19815805096), (1303, 15481572976), (2036, 9907902548), (2606, 7740786488), (4072, 4953951274), (5212, 3870393244), (8144, 2476975637), (10424, 1935196622), (14761, 1366607248), (20848, 967598311), (29522, 683303624), (37787, 533847344), (59044, 341651812), (65551, 307737328), (75574, 266923672), (118088, 170825906), (131102, 153868664), (151148, 133461836), (236176, 85412953), (262204, 76934332), (302296, 66730918), (524408, 38467166), (604592, 33365459), (663227, 30415664), (1048816, 19233583), (1326454, 15207832), (1900979, 10611632), (2652908, 7603916), (3801958, 5305816)]