20627816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 44712000

約数和(自身を除く): 24084184

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 59, 88, 116, 118, 137, 232, 236, 274, 319, 472, 548, 638, 649, 1096, 1276, 1298, 1507, 1711, 2552, 2596, 3014, 3422, 3973, 5192, 6028, 6844, 7946, 8083, 12056, 13688, 15892, 16166, 18821, 31784, 32332, 37642, 43703, 64664, 75284, 87406, 88913, 150568, 174812, 177826, 234407, 349624, 355652, 468814, 711304, 937628, 1875256, 2578477, 5156954, 10313908, 20627816]

約数ペア:

[(1, 20627816), (2, 10313908), (4, 5156954), (8, 2578477), (11, 1875256), (22, 937628), (29, 711304), (44, 468814), (58, 355652), (59, 349624), (88, 234407), (116, 177826), (118, 174812), (137, 150568), (232, 88913), (236, 87406), (274, 75284), (319, 64664), (472, 43703), (548, 37642), (638, 32332), (649, 31784), (1096, 18821), (1276, 16166), (1298, 15892), (1507, 13688), (1711, 12056), (2552, 8083), (2596, 7946), (3014, 6844), (3422, 6028), (3973, 5192)]