20020492778

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{4937}}^1$

素因数の和:6263

約数の個数: 48

約数和(自身を含む): 35582931720

約数和(自身を除く): 15562438942

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1289, 1573, 2578, 3146, 4937, 9874, 14179, 16757, 28358, 33514, 54307, 64181, 108614, 128362, 155969, 184327, 311938, 368654, 597377, 705991, 1194754, 1411982, 2027597, 4055194, 6363793, 7765901, 12727586, 15531802, 70001723, 82729309, 140003446, 165458618, 770018953, 910022399, 1540037906, 1820044798, 10010246389, 20020492778]

約数ペア:

[(1, 20020492778), (2, 10010246389), (11, 1820044798), (13, 1540037906), (22, 910022399), (26, 770018953), (121, 165458618), (143, 140003446), (242, 82729309), (286, 70001723), (1289, 15531802), (1573, 12727586), (2578, 7765901), (3146, 6363793), (4937, 4055194), (9874, 2027597), (14179, 1411982), (16757, 1194754), (28358, 705991), (33514, 597377), (54307, 368654), (64181, 311938), (108614, 184327), (128362, 155969)]