20565930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:364

約数の個数: 128

約数和(自身を含む): 63866880

約数和(自身を除く): 43300950

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 29, 30, 33, 35, 42, 55, 58, 66, 70, 77, 87, 105, 110, 145, 154, 165, 174, 203, 210, 231, 290, 307, 319, 330, 385, 406, 435, 462, 609, 614, 638, 770, 870, 921, 957, 1015, 1155, 1218, 1535, 1595, 1842, 1914, 2030, 2149, 2233, 2310, 3045, 3070, 3190, 3377, 4298, 4466, 4605, 4785, 6090, 6447, 6699, 6754, 8903, 9210, 9570, 10131, 10745, 11165, 12894, 13398, 16885, 17806, 20262, 21490, 22330, 23639, 26709, 32235, 33495, 33770, 44515, 47278, 50655, 53418, 62321, 64470, 66990, 70917, 89030, 97933, 101310, 118195, 124642, 133545, 141834, 186963, 195866, 236390, 267090, 293799, 311605, 354585, 373926, 489665, 587598, 623210, 685531, 709170, 934815, 979330, 1371062, 1468995, 1869630, 2056593, 2937990, 3427655, 4113186, 6855310, 10282965, 20565930]

約数ペア:

[(1, 20565930), (2, 10282965), (3, 6855310), (5, 4113186), (6, 3427655), (7, 2937990), (10, 2056593), (11, 1869630), (14, 1468995), (15, 1371062), (21, 979330), (22, 934815), (29, 709170), (30, 685531), (33, 623210), (35, 587598), (42, 489665), (55, 373926), (58, 354585), (66, 311605), (70, 293799), (77, 267090), (87, 236390), (105, 195866), (110, 186963), (145, 141834), (154, 133545), (165, 124642), (174, 118195), (203, 101310), (210, 97933), (231, 89030), (290, 70917), (307, 66990), (319, 64470), (330, 62321), (385, 53418), (406, 50655), (435, 47278), (462, 44515), (609, 33770), (614, 33495), (638, 32235), (770, 26709), (870, 23639), (921, 22330), (957, 21490), (1015, 20262), (1155, 17806), (1218, 16885), (1535, 13398), (1595, 12894), (1842, 11165), (1914, 10745), (2030, 10131), (2149, 9570), (2233, 9210), (2310, 8903), (3045, 6754), (3070, 6699), (3190, 6447), (3377, 6090), (4298, 4785), (4466, 4605)]