20211345180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{319901}}^1$

素因数の和:319938

約数の個数: 144

約数和(自身を含む): 68469264864

約数和(自身を除く): 48257919684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1404, 1620, 1755, 2106, 2340, 2430, 3159, 3510, 4212, 4860, 5265, 6318, 7020, 10530, 12636, 15795, 21060, 31590, 63180, 319901, 639802, 959703, 1279604, 1599505, 1919406, 2879109, 3199010, 3838812, 4158713, 4798515, 5758218, 6398020, 8317426, 8637327, 9597030, 11516436, 12476139, 14395545, 16634852, 17274654, 19194060, 20793565, 24952278, 25911981, 28791090, 34549308, 37428417, 41587130, 43186635, 49904556, 51823962, 57582180, 62380695, 74856834, 77735943, 83174260, 86373270, 103647924, 112285251, 124761390, 129559905, 149713668, 155471886, 172746540, 187142085, 224570502, 249522780, 259119810, 310943772, 336855753, 374284170, 388679715, 449141004, 518239620, 561426255, 673711506, 748568340, 777359430, 1010567259, 1122852510, 1347423012, 1554718860, 1684278765, 2021134518, 2245705020, 3368557530, 4042269036, 5052836295, 6737115060, 10105672590, 20211345180]

約数ペア:

[(1, 20211345180), (2, 10105672590), (3, 6737115060), (4, 5052836295), (5, 4042269036), (6, 3368557530), (9, 2245705020), (10, 2021134518), (12, 1684278765), (13, 1554718860), (15, 1347423012), (18, 1122852510), (20, 1010567259), (26, 777359430), (27, 748568340), (30, 673711506), (36, 561426255), (39, 518239620), (45, 449141004), (52, 388679715), (54, 374284170), (60, 336855753), (65, 310943772), (78, 259119810), (81, 249522780), (90, 224570502), (108, 187142085), (117, 172746540), (130, 155471886), (135, 149713668), (156, 129559905), (162, 124761390), (180, 112285251), (195, 103647924), (234, 86373270), (243, 83174260), (260, 77735943), (270, 74856834), (324, 62380695), (351, 57582180), (390, 51823962), (405, 49904556), (468, 43186635), (486, 41587130), (540, 37428417), (585, 34549308), (702, 28791090), (780, 25911981), (810, 24952278), (972, 20793565), (1053, 19194060), (1170, 17274654), (1215, 16634852), (1404, 14395545), (1620, 12476139), (1755, 11516436), (2106, 9597030), (2340, 8637327), (2430, 8317426), (3159, 6398020), (3510, 5758218), (4212, 4798515), (4860, 4158713), (5265, 3838812), (6318, 3199010), (7020, 2879109), (10530, 1919406), (12636, 1599505), (15795, 1279604), (21060, 959703), (31590, 639802), (63180, 319901)]