20955782896

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{1597}}^1$

素因数の和:1970

約数の個数: 80

約数和(自身を含む): 42294355488

約数和(自身を除く): 21338572592

約数列:

[1, 2, 4, 8, 16, 41, 82, 83, 164, 166, 241, 328, 332, 482, 656, 664, 964, 1328, 1597, 1928, 3194, 3403, 3856, 6388, 6806, 9881, 12776, 13612, 19762, 20003, 25552, 27224, 39524, 40006, 54448, 65477, 79048, 80012, 130954, 132551, 158096, 160024, 261908, 265102, 320048, 384877, 523816, 530204, 769754, 820123, 1047632, 1060408, 1539508, 1640246, 2120816, 3079016, 3280492, 5434591, 6158032, 6560984, 10869182, 13121968, 15779957, 21738364, 31559914, 31944791, 43476728, 63119828, 63889582, 86953456, 126239656, 127779164, 252479312, 255558328, 511116656, 1309736431, 2619472862, 5238945724, 10477891448, 20955782896]

約数ペア:

[(1, 20955782896), (2, 10477891448), (4, 5238945724), (8, 2619472862), (16, 1309736431), (41, 511116656), (82, 255558328), (83, 252479312), (164, 127779164), (166, 126239656), (241, 86953456), (328, 63889582), (332, 63119828), (482, 43476728), (656, 31944791), (664, 31559914), (964, 21738364), (1328, 15779957), (1597, 13121968), (1928, 10869182), (3194, 6560984), (3403, 6158032), (3856, 5434591), (6388, 3280492), (6806, 3079016), (9881, 2120816), (12776, 1640246), (13612, 1539508), (19762, 1060408), (20003, 1047632), (25552, 820123), (27224, 769754), (39524, 530204), (40006, 523816), (54448, 384877), (65477, 320048), (79048, 265102), (80012, 261908), (130954, 160024), (132551, 158096)]