20565396896

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1\times {\mathrm{677}}^1$

素因数の和:1318

約数の個数: 96

約数和(自身を含む): 44552410560

約数和(自身を除く): 23987013664

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 211, 352, 409, 422, 677, 818, 844, 1354, 1636, 1688, 2321, 2708, 3272, 3376, 4499, 4642, 5416, 6544, 6752, 7447, 8998, 9284, 10832, 13088, 14894, 17996, 18568, 21664, 29788, 35992, 37136, 59576, 71984, 74272, 86299, 119152, 142847, 143968, 172598, 238304, 276893, 285694, 345196, 553786, 571388, 690392, 949289, 1107572, 1142776, 1380784, 1571317, 1898578, 2215144, 2285552, 2761568, 3045823, 3142634, 3797156, 4430288, 4571104, 6091646, 6285268, 7594312, 8860576, 12183292, 12570536, 15188624, 24366584, 25141072, 30377248, 48733168, 50282144, 58424423, 97466336, 116848846, 233697692, 467395384, 642668653, 934790768, 1285337306, 1869581536, 2570674612, 5141349224, 10282698448, 20565396896]

約数ペア:

[(1, 20565396896), (2, 10282698448), (4, 5141349224), (8, 2570674612), (11, 1869581536), (16, 1285337306), (22, 934790768), (32, 642668653), (44, 467395384), (88, 233697692), (176, 116848846), (211, 97466336), (352, 58424423), (409, 50282144), (422, 48733168), (677, 30377248), (818, 25141072), (844, 24366584), (1354, 15188624), (1636, 12570536), (1688, 12183292), (2321, 8860576), (2708, 7594312), (3272, 6285268), (3376, 6091646), (4499, 4571104), (4642, 4430288), (5416, 3797156), (6544, 3142634), (6752, 3045823), (7447, 2761568), (8998, 2285552), (9284, 2215144), (10832, 1898578), (13088, 1571317), (14894, 1380784), (17996, 1142776), (18568, 1107572), (21664, 949289), (29788, 690392), (35992, 571388), (37136, 553786), (59576, 345196), (71984, 285694), (74272, 276893), (86299, 238304), (119152, 172598), (142847, 143968)]