20011715256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1564393}}^1$

素因数の和:1564456

約数の個数: 64

約数和(自身を含む): 55191820320

約数和(自身を除く): 35180105064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 156, 164, 246, 312, 328, 492, 533, 984, 1066, 1599, 2132, 3198, 4264, 6396, 12792, 1564393, 3128786, 4693179, 6257572, 9386358, 12515144, 18772716, 20337109, 37545432, 40674218, 61011327, 64140113, 81348436, 122022654, 128280226, 162696872, 192420339, 244045308, 256560452, 384840678, 488090616, 513120904, 769681356, 833821469, 1539362712, 1667642938, 2501464407, 3335285876, 5002928814, 6670571752, 10005857628, 20011715256]

約数ペア:

[(1, 20011715256), (2, 10005857628), (3, 6670571752), (4, 5002928814), (6, 3335285876), (8, 2501464407), (12, 1667642938), (13, 1539362712), (24, 833821469), (26, 769681356), (39, 513120904), (41, 488090616), (52, 384840678), (78, 256560452), (82, 244045308), (104, 192420339), (123, 162696872), (156, 128280226), (164, 122022654), (246, 81348436), (312, 64140113), (328, 61011327), (492, 40674218), (533, 37545432), (984, 20337109), (1066, 18772716), (1599, 12515144), (2132, 9386358), (3198, 6257572), (4264, 4693179), (6396, 3128786), (12792, 1564393)]