20840457550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{863}}^1$

素因数の和:1015

約数の個数: 144

約数和(自身を含む): 44790133248

約数和(自身を除く): 23949675698

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 83, 110, 115, 166, 230, 253, 275, 415, 506, 529, 550, 575, 830, 863, 913, 1058, 1150, 1265, 1726, 1826, 1909, 2075, 2530, 2645, 3818, 4150, 4315, 4565, 5290, 5819, 6325, 8630, 9130, 9493, 9545, 11638, 12650, 13225, 18986, 19090, 19849, 20999, 21575, 22825, 26450, 29095, 39698, 41998, 43150, 43907, 45650, 47465, 47725, 58190, 71629, 87814, 94930, 95450, 99245, 104995, 143258, 145475, 198490, 209990, 218339, 219535, 237325, 290950, 358145, 436678, 439070, 456527, 474650, 482977, 496225, 524975, 716290, 787919, 913054, 965954, 992450, 1049950, 1091695, 1097675, 1575838, 1647467, 1790725, 2183390, 2195350, 2282635, 2414885, 3294934, 3581450, 3939595, 4565270, 4829770, 5021797, 5458475, 7879190, 8237335, 10043594, 10916950, 11413175, 12074425, 16474670, 18122137, 19697975, 22826350, 24148850, 25108985, 36244274, 37891741, 39395950, 41186675, 50217970, 75783482, 82373350, 90610685, 125544925, 181221370, 189458705, 251089850, 378917410, 416809151, 453053425, 833618302, 906106850, 947293525, 1894587050, 2084045755, 4168091510, 10420228775, 20840457550]

約数ペア:

[(1, 20840457550), (2, 10420228775), (5, 4168091510), (10, 2084045755), (11, 1894587050), (22, 947293525), (23, 906106850), (25, 833618302), (46, 453053425), (50, 416809151), (55, 378917410), (83, 251089850), (110, 189458705), (115, 181221370), (166, 125544925), (230, 90610685), (253, 82373350), (275, 75783482), (415, 50217970), (506, 41186675), (529, 39395950), (550, 37891741), (575, 36244274), (830, 25108985), (863, 24148850), (913, 22826350), (1058, 19697975), (1150, 18122137), (1265, 16474670), (1726, 12074425), (1826, 11413175), (1909, 10916950), (2075, 10043594), (2530, 8237335), (2645, 7879190), (3818, 5458475), (4150, 5021797), (4315, 4829770), (4565, 4565270), (5290, 3939595), (5819, 3581450), (6325, 3294934), (8630, 2414885), (9130, 2282635), (9493, 2195350), (9545, 2183390), (11638, 1790725), (12650, 1647467), (13225, 1575838), (18986, 1097675), (19090, 1091695), (19849, 1049950), (20999, 992450), (21575, 965954), (22825, 913054), (26450, 787919), (29095, 716290), (39698, 524975), (41998, 496225), (43150, 482977), (43907, 474650), (45650, 456527), (47465, 439070), (47725, 436678), (58190, 358145), (71629, 290950), (87814, 237325), (94930, 219535), (95450, 218339), (99245, 209990), (104995, 198490), (143258, 145475)]