20854500100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{103087}}^1$

素因数の和:103142

約数の個数: 108

約数和(自身を含む): 54940955776

約数和(自身を除く): 34086455676

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 289, 340, 350, 425, 476, 578, 595, 700, 850, 1156, 1190, 1445, 1700, 2023, 2380, 2890, 2975, 4046, 5780, 5950, 7225, 8092, 10115, 11900, 14450, 20230, 28900, 40460, 50575, 101150, 103087, 202300, 206174, 412348, 515435, 721609, 1030870, 1443218, 1752479, 2061740, 2577175, 2886436, 3504958, 3608045, 5154350, 7009916, 7216090, 8762395, 10308700, 12267353, 14432180, 17524790, 18040225, 24534706, 29792143, 35049580, 36080450, 43811975, 49069412, 59584286, 61336765, 72160900, 87623950, 119168572, 122673530, 148960715, 175247900, 208545001, 245347060, 297921430, 306683825, 417090002, 595842860, 613367650, 744803575, 834180004, 1042725005, 1226735300, 1489607150, 2085450010, 2979214300, 4170900020, 5213625025, 10427250050, 20854500100]

約数ペア:

[(1, 20854500100), (2, 10427250050), (4, 5213625025), (5, 4170900020), (7, 2979214300), (10, 2085450010), (14, 1489607150), (17, 1226735300), (20, 1042725005), (25, 834180004), (28, 744803575), (34, 613367650), (35, 595842860), (50, 417090002), (68, 306683825), (70, 297921430), (85, 245347060), (100, 208545001), (119, 175247900), (140, 148960715), (170, 122673530), (175, 119168572), (238, 87623950), (289, 72160900), (340, 61336765), (350, 59584286), (425, 49069412), (476, 43811975), (578, 36080450), (595, 35049580), (700, 29792143), (850, 24534706), (1156, 18040225), (1190, 17524790), (1445, 14432180), (1700, 12267353), (2023, 10308700), (2380, 8762395), (2890, 7216090), (2975, 7009916), (4046, 5154350), (5780, 3608045), (5950, 3504958), (7225, 2886436), (8092, 2577175), (10115, 2061740), (11900, 1752479), (14450, 1443218), (20230, 1030870), (28900, 721609), (40460, 515435), (50575, 412348), (101150, 206174), (103087, 202300)]