20797853500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:557

約数の個数: 192

約数和(自身を含む): 49333100544

約数和(自身を除く): 28535247044

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 62, 92, 100, 115, 124, 125, 155, 227, 230, 250, 257, 310, 454, 460, 500, 514, 575, 620, 713, 775, 908, 1028, 1135, 1150, 1285, 1426, 1550, 2270, 2300, 2570, 2852, 2875, 3100, 3565, 3875, 4540, 5140, 5221, 5675, 5750, 5911, 6425, 7037, 7130, 7750, 7967, 10442, 11350, 11500, 11822, 12850, 14074, 14260, 15500, 15934, 17825, 20884, 22700, 23644, 25700, 26105, 28148, 28375, 29555, 31868, 32125, 35185, 35650, 39835, 52210, 56750, 58339, 59110, 64250, 70370, 71300, 79670, 89125, 104420, 113500, 116678, 118220, 128500, 130525, 140740, 147775, 159340, 161851, 175925, 178250, 183241, 199175, 233356, 261050, 291695, 295550, 323702, 351850, 356500, 366482, 398350, 522100, 583390, 591100, 647404, 652625, 703700, 732964, 738875, 796700, 809255, 879625, 916205, 995875, 1166780, 1305250, 1341797, 1458475, 1477750, 1618510, 1759250, 1808509, 1832410, 1991750, 2610500, 2683594, 2916950, 2955500, 3237020, 3518500, 3617018, 3664820, 3983500, 4046275, 4581025, 5367188, 5833900, 6708985, 7234036, 7292375, 8092550, 9042545, 9162050, 13417970, 14584750, 16185100, 18085090, 18324100, 20231375, 22905125, 26835940, 29169500, 33544925, 36170180, 40462750, 41595707, 45212725, 45810250, 67089850, 80925500, 83191414, 90425450, 91620500, 134179700, 166382828, 167724625, 180850900, 207978535, 226063625, 335449250, 415957070, 452127250, 670898500, 831914140, 904254500, 1039892675, 2079785350, 4159570700, 5199463375, 10398926750, 20797853500]

約数ペア:

[(1, 20797853500), (2, 10398926750), (4, 5199463375), (5, 4159570700), (10, 2079785350), (20, 1039892675), (23, 904254500), (25, 831914140), (31, 670898500), (46, 452127250), (50, 415957070), (62, 335449250), (92, 226063625), (100, 207978535), (115, 180850900), (124, 167724625), (125, 166382828), (155, 134179700), (227, 91620500), (230, 90425450), (250, 83191414), (257, 80925500), (310, 67089850), (454, 45810250), (460, 45212725), (500, 41595707), (514, 40462750), (575, 36170180), (620, 33544925), (713, 29169500), (775, 26835940), (908, 22905125), (1028, 20231375), (1135, 18324100), (1150, 18085090), (1285, 16185100), (1426, 14584750), (1550, 13417970), (2270, 9162050), (2300, 9042545), (2570, 8092550), (2852, 7292375), (2875, 7234036), (3100, 6708985), (3565, 5833900), (3875, 5367188), (4540, 4581025), (5140, 4046275), (5221, 3983500), (5675, 3664820), (5750, 3617018), (5911, 3518500), (6425, 3237020), (7037, 2955500), (7130, 2916950), (7750, 2683594), (7967, 2610500), (10442, 1991750), (11350, 1832410), (11500, 1808509), (11822, 1759250), (12850, 1618510), (14074, 1477750), (14260, 1458475), (15500, 1341797), (15934, 1305250), (17825, 1166780), (20884, 995875), (22700, 916205), (23644, 879625), (25700, 809255), (26105, 796700), (28148, 738875), (28375, 732964), (29555, 703700), (31868, 652625), (32125, 647404), (35185, 591100), (35650, 583390), (39835, 522100), (52210, 398350), (56750, 366482), (58339, 356500), (59110, 351850), (64250, 323702), (70370, 295550), (71300, 291695), (79670, 261050), (89125, 233356), (104420, 199175), (113500, 183241), (116678, 178250), (118220, 175925), (128500, 161851), (130525, 159340), (140740, 147775)]